Historic, Archive Document
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1930 SPRING CATALOGUE
Rockmont Nursery
NEW OR NOTEWORTHY PLANTS
Incl tiding jMLountain Flowers for tlie Rock Gard<
Slirulis, Lovelier Lilacs, Ins, Pklox, Seeds
Rubus deliciosus, Mountain Bramble
D. M. ANDREWS
P. O. BOX 495
BOULDER, COLORADO
Introductory
Practical Thanks. I know of no better expression of my
appreciation of your business than to try to make my service
consistently better and more helpful to you.
Time of Delivery. For seeds, any time; the earlier the better.
All our plants are from outdoor stock, and digging can begin
in March, continue through April, ending May 1st to May 15th.
Orders for Lilacs and other plants that start early, should be
placed in time for delivery before April 15th. It is an advantage
to place all orders early; then, in making deliveries, we begin
with California and the South, and reach the others all at the
most favorable time. This helps to eliminate the rush near the
end of the season and gives you better service.
Free Delivery. Plant orders with cash, amounting to $3.00 or
more, exclusive of seeds, are delivered free. A delivery charge
of 25 cents additional is required on orders less than $3.00 if
wanted by mail. Evergreens and shrubs travel by express at
purchaser’s expense, care being taken to avoid unnecessary
weight.
Safe Delivery is guaranteed by parcel post or express. An
immediate report of loss or damage with full particulars is
required for adjustment.
Substitution. It is my policy to avoid substitution. Orders
taken partly or entirely from an old catalogue are almost certain
to include items temporarily out of stock. If you are obliged
to use an old catalogue, please do not fail to include a few
substitute items that may be used if necessary; otherwise in
small matters I will substitute as closely as possible something
of equal or better value.
Cannot Supply. If you have inquired for plant material or
varieties not listed in the latest catalogue, and find this para¬
graph marked, please understand that such items are not
available.
Canadian and Foreign correspondents who receive this cata¬
logue are requested to limit their orders to seeds, remitting cash
in full with order.
Garden Clubs. The official of any garden club may apply for
four copies of this catalogue for the use of members. These will
be furnished so long as a supply is available.
Correspondence is invited with the Trade and with Landscape
Architects, who are interested in our New or Noteworthy plants
and shrubs.
Address all orders and correspondence to,
D. M. ANDREWS,
P. O. Box 493, Boulder, Colorado.
News of the Nursery
The other morning my thermometer stood at 28 degrees be¬
low zero. The official record for the night was 33 below. For
seventeen days the reading has been zero or colder. This is
unusual weather, but I thought you would like to know that our
Rocky Mountain flowers are hardy; none hardier.
The mountains are a beautiful slight these crisp mornings.
For a few moments at sunrise their snowy slopes are bathed
with rose color. Although three miles away, each tree stands out
with telescopic distinctness. Looking from the front door the
shrubs in the nursery across the driveway stand up bravely in
the snow. From the east windows a group of Juniper and Spruce
is a reminder that Christmas is not far in the background, and
that 1930 is still young enough for me to wish you all a happy
and prosperous new year.
The photograph of the Rocky Mountain Bramble or Thimble-
berry on the front cover reminds me that there are more than
two thousand splendid young bushes in the nursery, ready to
bloom next summer. I consider this one of the most beautiful
and valuable shrubs that America has given to American gard¬
ens. I am proud to sponsor it. This block of bushes would not
last long if each of you appreciated what a fine thing it is.
It is worth while to record that this lot of Mountain Bramble
was grown in the nursery from seed. Almost everything that
I offer is propagated now from seeds, cuttings or division; and
this obviates any possible prejudice against collected plants.
It insures a superior grade of stock, all fully acclimated to
this altitude, which is 5,000 feet. As this is halfway in point of
altitude between the subalpine zone and sealevel, the value of
such acclimatization must be quite apparent, and the change
to your garden from mine presents no difficulty.
“No difficulty,” because my chief endeavor in supplying
high class novelties is to give the best of service in packing and
delivery. Improvements which I have put into effect the last
year or two have resulted in many unsolicited reports that
are most gratifying.
The amount paid for postage is only part of the cost of
delivery. Note the excellent material used in wrapping and for re¬
taining moisture without excessive weight or wetness. In order
to continue and improve this service, including free delivery,
it must be evident that each order must justify the cost of pack¬
ing and postage. Even trial orders should be large enough to
permit a fair showing of my stock and service. This is the reason
for announcing with this issue of the catalogue, that plant orders
under $3.00 are not solicited. They are not entitled to free
delivery.
I have seldom printed testimonials of any sort. The only
thing that prompts me to do so now is the occasional expression
of doubt that I can ship so far. My answer is, try it at my risk.
But hear what others say. The complete letters are on file.
From New Jersey: “The plants came in splendid condition,
the finest order I had this season. Very many thanks.” From
Lincoln, Nebraska: “Received the plants, shrubs and bulbs of
2
D. M. ANDREWS, BOULDER, COLORADO
previous orders and all were in fine condition.” California:
‘‘Plants arrived last evening in wonderful condition. Am very
much pleased with them.” New York: ‘‘Package of plants ar¬
rived yesterday in fine condition. Please accept thanks for
liberal count.” Oregon: “The shipment of Lilacs came through
in splendid shape, and the plants themselves “were a pleas¬
ant surprise. I particularly noted that the small sized ones were
of good shape and with good roots and were well branched.”
New York: “Plants arrived O. K. Thanks for such excellent
service.”
Classified Lists
Plants for Special Purposes
In presenting lists of plants, classified as to use, it is with
the caution that such lists are merely suggestive, and without
the intention of limiting the use of the plants included; for ex¬
ample, plants that grow in dry places will usually grow equally
well or better under ordinary conditions.
It is to be understood also, that most of the plants not
included serve rather a general place in the garden or rock
garden and that they are hardy to the north central and east¬
ern states, and that all except the newest introductions have
a successful record both east and west. A soil of neutral re¬
action to mildly acid is to be considered favorable to success¬
ful culture, unless otherwise indicated. Items classified, but
not included in the pricelist are temporarily unavailable. Please
do not ask for detailed information by letter. Questions should
be stated briefly, with space left for the answer, and a self-
addressed, stamped envelope enclosed. I cannot undertake to
answer questions otherwise.
Miniature Shrubs for the Rock Garden
Amorpha canescenes
Amorpha nana
Betula glandulosa
Carangana aurantiaca
Daphne cneorum
Dryas octopetala
Holodiscus
Jamesia Americana
Juniperus sab. tamariscifolius
Kalmia microphyllus
Lonicera Thibetica
Pachistima Myrsinites
Potentilla fruticosa
Prunus gracilis
Rosa foliolosa
Rosa stellata
Salix brachycarpa
Salix glaucops
Salix petrophila
Symphoricarpos vaccinioides
Plants Found in Soil More Than Slightly Acid
Allium brevistylum
Caltha rotundifolia
Delphinium elongatum
Dodecatheon (sp.)
Erigeron (sp.)
Gentiana (sp.)
Primula (sp.)
Ranunculus Adoneus
Sedum (native)
Trollius (sp.)
Betula glandulosa
Dryas octopetala
Holodiscus
Jamesia Americana
Kalmia microphylla
Salix brachycarpa
Salix glaucops
Salix petrophila
Aconitum (sp.)
Aquilegia coerulea
CLASSIFIED LISTS
Commonly in Lime or Alkaline Soil
Probably all are tolerant, not requiring lime.
Delphinium Geyeri
Malva strum coccineum
Oenothera brachycarpa
Crassina grandiflora
Mentzelia decapetala
Mirabilis multiflora
Alpines
Chionophila Jamesii
Erythronium parviflorum
Gentiana Parryi
Lewisia pygmaea
Primula Parryi
Ranunculus adoneus
Quincula lobata
Stanleya pinnata
Thermopsis rhombifolia
Shepherdia argentea
Rhus cognata
Rhus trilobata
for Special Culture
Sedum Rhodiola
Synthryris alpinus
Trollius albiflorus
Viola bellidifolia
Trifolium Parryi
Shrubs for
Amorpha nana
Caragana aurantiaca
Clematis ligusticifolia
Clematis orientalis
Crataegus erythropoda
Holodiscus microphyllus
Jamesia Americana
Prunus Besseyi
Plants for
Allium rec. superbum
Aster Porteri
Aster ptarmicoides
Calochortus
Campanula petiolata
Clematis eriophora
Clematis Scottii
Delphinium Geyeri
Gentiana Bigelovii
Gilia pulchella
Leucocrinum montanum
Wet in Spring,
Allium brevistylum
Caltha rotundifolia
Dodecatheon (western)
Iris Missouriensis
Mertensia ciliata
Ranunculus adoneus
Dry Ground
Prunus melanocarpa
Quercus Gambellii
Quercus unlulatus
Rhus (species)
Rosa stellata
Symphor. occidentals
Symphor. Utahensis
Dry Ground
Lewisia rediviva
Liatris punctata
Malvastrum coccineum
Mertensia lanceolata
Oenothera (species)
Pentstemon (most western
species)
Salvia azures, Pitcheri
Sedum Ewersii
Yucca (western species)
Zygadenus gramineus
Dry in Summer
Sedum Rhodiola
Sedum rhodanthum
Trollius albiflorus
Veratrum speciosum
Zygadenus elegans
Lovelier Lilacs
In the improvement of the old-fashioned lilac, a favorite from
time immemorial, much credit is due French hybridists, par¬
ticularly the late Victor Lemoine of Nancy, France.
These superb creations are marked by both single and double
flowers, individually of large size and produced in very ample
clusters. Their wide range of color, delightful fragrance, last¬
ing texture and extended flowering season combine to increase
the popularity of an old-time favorite.
The Secret of Lovelier Lilacs. There are two nursery meth¬
ods of propagating lilacs. One is to hud or graft on privet or
other root stock; the other is by cuttings or layers to produce
an own-root plant.
Lilac bushes growing and flowering on their own roots are
conceded to be the best. They will remain always true to type,
and cannot produce sprouts of a different kind. They are long-
lived, have a perfect root system and bloom while very young.
Years of satisfaction will many times repay your investment
in this class of stock.
The advocates of budded or grafted lilacs claim first, more
rapid propagation; this is granted. Second, that grafted bushes
will soon become “own-rooted” if set deep enough to cover the
union. Unfortunately, this does not often result.
If you wrant to buy grafted or budded lilacs — fine! But get
it straight. If you are buying on the promise that they will
become, sooner or later , own-rooted bushes, then you are trading
on a narrow margin.
Study the picture showing root growth and decide for your¬
self. At the center are two own-root bushes (Charles Joly and
Ludwig Spath) grown at Rockmont Nursery. Of the three
bushes at the left, one is budded high up on privet, the others
are probably grafted. I bought them three years ago; two are
dead, the other has not bloomed. The two at the extreme right
where from a wholesale nursery in Kansas, and were exactly
as represented, grafted lilacs on privet roots. As is frequently
the case, the top has overgrown the root and the plant will be
short-lived.
Only one other comment seems necessary. It is only fair
in referring to my own-root bushes, grown at Rockmont Nursery,
to give due credit to my inimitable soil conditions, and second,
to our mile-high climate where a dry atmosphere and intense
sunlight compel lilacs, in common with all other nursery stock,
to produce an amazing growth of fibrous roots.
After many experimental purchases I am satisfied that
nothing offered anywhere can surpass this Rockmont stock for
a “quick pickup and getaway.” Some of my customers have re¬
ported blooms the first season; and almost invariably they
become established and flower freely the second year.
Culture. — Lilacs like sun and air, require plenty of moisture
with rather free drainage. They will repay good care, yet often
give splendid results under seeming neglect. In land of moderate
fertility freedom of bloom is likely to increase with the age of
LOVELIER LILACS
5
the plant, and with plenty of room very little pruning is re¬
quired; in any case avoid cutting the ends of strong branches
which would sacrifice flower buds.
The size of bushes will average two to three feet tall, unless
otherwise indicated. ‘‘Small plants” will be less than two feet
hut well established stock. “Large bushes” are three to four feet
tall or larger, and are exceptionally fine stock and heavily
rooted.
Not prepaid. Lilacs must be shipped by express. Excessive
weight is avoided in packing to insure economical transporta¬
tion. Lilacs should be delivered in spring before growth com¬
mences. Place your order early enough for shipment before
April 15th. Autumn delivery begins about October 20th and
continues through November.
List of varieties. Own-root stock exclusively. Extreme care
is exercised to have every plant true to name; I will replace or
refund amount paid for any that proves untrue. Safe delivery
guaranteed; see introduction. All are double unless described
otherwise.
-Alba Grandiflora. A tall-growing single white with large
panicles. Small bushes, §2.00 each.
-Alphonse Lavalle. Lilac-blue, large full truss, medium dwarf.
§2.00 each.
Charles Joly. Dark crimson-purple, long narrow panicle, vig¬
orous upright habit, very free, one of the best dark varieties.
SI. 50 each; large bushes, §2.00.
-Congo. Single; very large broad panicle, bright red-purple,
profuse bloomer. One of the most valuable, regardless of price.
§2.50 each; small bushes, §2.00.
-Edouard Andre. Clear mauve pink, buds rose pink, dwarf
habit, free flowering, very beautiful. Small, §2.00 each.
* Ellen Wilmott. A grand white with immense panicles and
individual flowers, midseason to late, rated as the best late
white, fine stock. Small plants, §2.50 each.
Emile Lemoine. Pale persian-lilac color with pink-lilac buds,
very distinct color, extra bloomer, late. §2.00 each; large, §2.50.
Frau Bertha Dammann. Single, pure white, early. §1.50 each.
*Hugo Koster. Single, early, large full truss of bluish violet,
dwarf. Small, §2.00 each.
Ludwig Spath. Single, very rich dark purple, very long pani¬
cle of large flowers. §1.50 each; large, §2.00.
-Maximowiczi. Double, midseason, panicle held well above
the foliage. Large duplex floret in well proportioned truss;
bluish lavender with purplish buds. Small, §2.50.
Mme. Casimir Perier. Large creamy white, very free bloom¬
ing. §1.50 each; large, §2.00.
Mme. Lemoine. A very fine pure white, large flower and
truss, very double, early. A better grower, and produces finer
panicles than Ellen Willmott. §2.00 each; large, §2.50.
6
D. M. ANDREWS, BOULDER, COLORADO
Marie LeGraye. Single, free blooming early white; one of
the best of the older varieties. Small bushes, $2.00.
President Grevy. Very handsome soft blue-lilac flowers of
large size, very double; panicle on established bushes nearly a
foot long. $1.50 each; large, $2.00.
Princess Alexandra. Single, midseason, white; a good grower
and free bloomer. Small, $2.00 each.
Rene Jary des Loges. Large panicle of light bluish mauve;
dwarf habit. Small, $2.50.
"Senator Volland. Double; one of the darker varieties de¬
scribed by a French grower as Fuchsia-red. Small, $1.50.
Virginite. Clear mauve-pink, fine large truss. $2.00 each;
large, $2.50.
Viviand Morel. Large elongated truss, flowers large, double,
clear bluish lilac, the buds purple. A vigorous grower and pro¬
fuse bloomer. $1.50 each; large, $2.00.
*Waldeck Rosseau. Double, rather dwarf, late, fragrant;
flowers in large trusses, lilac-rose with paler center; choice
variety. Small, $2.50.
The Lilac Species make handsome bushes, and while the
flowers are not as showy as the hybrids, several of them bloom
much later and therefore extend the flowering season several
weeks. The four species are all own-rooted stock.
*Syringa japonica. Japanese Tree Lilac. A handsome small
tree, valuable for its late blooming season. Flowers pure white,
panicle sometimes a foot in height. Exceptionally fine own-root
bushes, can be trimmed to single stem; 4 feet tall. $2.50 each.
Syringa Josikaea. Hungarian Lilac. Large stout shrub, flower¬
ing in June. Foliage glossy, dark green; 75 cents.
Syringa persica. Persian Lilac. Small shrub to 6 feet, with
slender branches and graceful habit. A very profuse bloomer in
May; 75 cents each.
Syringa villosa. Late Lilac. Of dense, bushy habit, valued as a
specimen shrub and for its late and profuse flowering; 75 cents
each.
New or Noteworthy Shrubs
Including Miniature Shrubs
It is possible now to put an entirely new accent into your
planting effects by making a free use of western native shrubs
from the highlands and valleys of the central Rocky Mountains.
These shrubs are hardy to South Dakota, Michigan and the
colder parts of New England, and except as specifically stated,
will thrive under ordinary garden conditions. A few, recom¬
mended for dry conditions, should not be subjected to an excess
of moisture or poor drainage.
Most of the following list are native shrubs. A few, equally
hardy, are included from other sources. It should be noted, in
the case of shrubs which have a wide range of distribution to
the southward, or westward, that the Colorado form always
SHRUBS 7
excels in hardiness. The size indicated following the name is
the approximate size at maturity.
The stock offered is nursery-grown, and well rooted. Where
no size is indicated, a 2-year grade, about 2-3 feet in height,
is to be understood. Small, indicates two feet or less; large,
3-4 feet or more. This system of grading does not apply to
“Miniature Shrubs” although corresponding in age.
Not Prepaid. Shrubs are not priced prepaid. Light but effi¬
cient packing makes for low transportation cost, which is to be
paid by purchaser.
Acer ginnala. Shrub to 15 feet. Graceful Maple with the fruits
usually red and conspicuous in summer and foliage turning red
in autumn. Large, §1.00; three for §2.75.
Alnus tenuifolia. Mountain Alder. Small tree to 25 feet. Shrub¬
like tree with slender branches and rather upright habit. 4 feet,
§1.00 each, three for §2.75.
Amorpha angustifolia. Western Indigo-bush. 8 feet. For wet
or dry position, a resistent shrub of good habit, small pinnate
foliage and spikes of brown-purple flowers. 75 cents each, §7.50
per dozen.
Amorpha canescens. Lead Plant, 20 inches. The low wand¬
like stems are furnished with silvery pinnate foliage and termi¬
nate in an ample spray of small violet-blue flowers. The color
effect is charming and the foliage always attractive. Small, 75
cents each, 10 for §6.50.
Amorpha nana. Dwarf Indigo. 20 inches. A much branched
little shrub, with very dark green foliage of minute leaflets and
fern-like texture. Each branch carries several spikelets of garnet
florets, and the brown seeds which follow are attractive. The
whole plant is pleasantly aromatic, and may be trained to a
tree-like specimen with a single stem. Small 75 cents each,
10 for §6.50.
*Ampelopsis Saint Paulii. (Parthenocissus) St. Paul Creeper.
The best-clinging of the various five-leaved creepers by reason
of its many-disced tendrils and also aerial rootlets. Foliage
turning deep scarlet or crimson in autumn. Strong plants. §1.00.
Betula fontinalis. Rocky Mountain Birch. Small shrubby tree,
forming clumps, 12 feet or sometimes larger, for stream banks
or drier positions. Good foliage and dark redish-brown branches.
Large, 75 cents; 4-5 feet, §1.00 each, three for §2.75.
Betula glandulosa. Dwarf Birch. 36 inches. Grows rather slow¬
ly, and in a dry position will not outgrow the rock garden for
many years. A bush of rounded form, redish-brown twigs, ex¬
cellent foliage and easily grown. Small bushy clumps, §1.00
each, 10 for §7.50.
Caragana aurantiaca. Dwarf Pea-Shrub. 24 inches. Bushy and
spreading with very showy orange blosoms and minute dark
green leaves. A slow-growing diminutive shrub for a limited
space, and thrives' in a dry sunny position. My 5-year-old many-
branched clumps are 15 to 18 inches tall and are ready for im-
8
D. M. ANDREWS, BOULDER, COLORADO
mediate effect. Very bushy, §1.00 each, five for §3.75; small
plants, §5.00 per dozen.
*Caragana chamlagu. Mongolian Pea-Shrub. 36 inches. Small
enough for the rock garden and suited to dry conditions. Hand¬
some dark pinnate foliage and showy yellow-red blossoms. Dis¬
tinct from other Pea-shrubs and extremely rare in cultivation.
§2.50 each.
Clematis ligusticifolia. Western Virgin’s Bower. Vine, with
pinnate foliage, the showy white flowers in July or August
followed by large plumose seed clusters. 75 cents each, three
for §2.50.
Cornus stolonifera Coloradensis. Colorado Dogwood. 6 feet.
A compact rounded bush, the foliage assuming brilliant autumn
colors, and the twigs in winter a deep blood-red. Flowering and
fruiting nearly all summer with showy clusters of pearl-white
berries. 75 cents, §7.50 per dozen; per hundred, §40.00; large
§1.00 each, §10.00 per dozen.
Crataegus erythropoda. Chocolate Thorn. 10 feet. A symmetri¬
cal small tree with glossy foliage and chocolate-red fruit. 75
cents each, §7.50 per dozen.
Crataegus oxyacantha. English Hawthorn. Small tree to 15
feet with very handsome foliage, fruit scarlet. 75 cents, three
for §2.00.
Crataegus rivularis. Black Thorn. Fine symmetrical tree to
10 feet, foliage very glossy, fruit black, in clusters; one of the
most beautiful of all hawthorns. 4-6 feet, §1.50 each, §15.00 per
dozen.
Euonymus atropurpureus. Wahoo. 6 feet. This is stock from
the extreme north and fruits abundantly. In the matter of fruit¬
ing it is the best strain I have seen. §1.00 each.
Euonymus radicans colorata. The red and bronze autumn and
winter foliage colors are very beautiful. A fine thing for the
rock garden. Small clumps §1.00.
Euonymus radicans vegatus. Winter Creeper. A very valuable
evergreen trailer or climber and hardy where English Ivy does
not winter well. Strong 3-year clumps, 75 cents, §7.50 per dozen.
Forestiera Neomexicana. Mountain Privet. 10 feet. An erect
shrub of the Privet family, leaves small, dark green. Recom¬
mended as an ornamental specimen shrub and as a hedge plant.
Large, 75 cents, §7.50per dozen.
Forsythia suspensa Sieboldii. Trailing Golden-bell. Trailing
shrub with very slender branches. May be used as a climber and
is very effective for hanging over rocks or retaining wall. 75
cents each, §7.50 per dozen.
♦Holodiscus microphyllus. Mountain Spray. 36 inches. Very
erect shrub for miniature tree effect, a slow growing member
of the Spiraea group, producing creamy sprays of minute flowers
in early summer. Dry well drained sunny position. 75 cents
each.
Jamesia Americana. Wild Mockorange. A handsome shrub of
SHRUBS
9
moderate growth with velvety foliage and clusters of waxy-
white fragrant flowers. Best in a well-drained humus soil with
partial shade. Each, §1.00, three for $2.75.
Juniperus sabina tamariscifolia. Tamarix Juniper. This low,
spreading Juniper nestles among rocks and is my favorite for
the rock garden. Strong young plants with ball of earth in two
sizes; $1.00 and $2.00 each. Special rates for quantity.
Lonicera Kerolkowii floribunda. Blue-leaf honeysuckle. 8 feet.
A spreading bush chracterized by blue-green foliage and rose-
pink flowers, a beautiful color effect. Large, $1.00 each, three
for $2.75.
Lonicera sempervirens. Trumpet Honeysuckle. An American
all-summer-flowering vine, the scarlet trumpets are the joy of
humming birds and the red berries last all the season. One of
our hardiest and best woody climbers. 75 cents each, $7.50 per
dozen.
Lonicera tatarica grandiflora. White Tatarian H. 6 feet. A
fine upright shrub with glaucus foliage and a wealth of large
flowers of crystal-white; berries red. 75 cents each, $7.50 per
dozen.
Lonicera tatarica splendens. Pink Tatarian H. 8 feet. Some¬
what larger and more spreading, with rosy pink flowers of ex¬
ceptionally large size, followed by red berries. 75 cents each,
$7.50 per dozen.
Lonicera Thibetica. Honeysuckle. A dense much branched
shrub suitable for the large rockery. Foliage glossy, dark green
above, pale beneath, flowers purple, fruit red. With its small
leaves and slender reclining branches it is a distinct shrub of
refined appearance, easy to grow and not often met with. 75
cents each, 10 for $6.50.
*Lycium pallidum. Bush Matrimony. 30 inches. Very hardy
miniature shrub, adapted to a dry, sunny position. Foliage pale
gray-green, flowers of conspicuous size, also green, with a tinge
of purple. By far the most showy species in fruit which is orange-
scarlet in color. I have observed no suckering, so prevalent with
other species. Bushes 18-24 inches, $1.50 each.
*Malus floribunda, Japanese flowering Crab. Small tree bear¬
ing a multitude of deep rose-red buds and flowers, followed by
berry-like fruits. 18-24 inches, transplanted, 75 cents each, three
for $1.75.
*Malus Scheideckeri. Hybrid Crab. (Seedling stock.) As this
is a hybrid, the seedlings will show much variation, probably
no two will be alike, but all will be beautiful. 18-24 inches, trans¬
planted, 75 cents each, three for $1.75.
Philadeiphus pubescens. Mock-orange. Large shrub to 8 feet
with dark green leaves of thick substance, and large white
flowers. Large, 75 cents.
*Philade!phus virginal. Mock-orange. Semi-double white flow¬
ers of largest size. Of highest merit among flowering shrubs.
75 cents each.
Physocarpus opulifolius nanus. 5 feet. Erect bush with slender
10
D. M. ANDREWS, BOULDER, COLORADO
branches, leaves small, dark green, a profuse bloomer. 75 cents
each, |7.50 per dozen.
*Populus Andrewsii. Andrews’ Poplar. Large tree, of very
rapid growth with smooth whitish bark and thick heart-shaped
leaves. A cottonless hybrid between P. Sargentii and P. accum-
inata. 4-6 feet, $1.00 each; three for $2.75.
*Populus nigra. Black Poplar. A tree of slow growth and ex¬
tremely hardy. This stock was brought to Boulder from Sweden
many years ago by a Swedish gardener. Much more spreading
than the Lombardy Poplar of which it is supposed to be the
parent form. 4-6 feet, $1.25.
Potentilla fruiticosa. Clinquefoil. A variable dwarf shrub of
northern latitudes. The Colorado form is semiprostrate, a free
and quite continuous bloomer and will thrive in dry soil; by far
the best type for the rock garden; 75 cents each, three for $2.00.
Prunus Besseyi. Western Sand Cherry, 4 feet. A low spread¬
ing bush, extremely profuse in flower and fruit, the cherries
being black, of large size and only slightly astringent when fully
ripe. 75 cents each, $7.50 per dozen.
Prunus glandulosa sinensis. Pink Flowering Almond. Own-
root stock, grown from cuttings; vastly superior to grafted
bushes. $1.00 each, three for $2.75.
*Prunus gracilis. Pigmy Plum. 30 inch. Trained as a minia¬
ture tree it will bear the little red plums when little more than
a foot in height. 75 cents each, three for $2.00.
*Prunus melanocarpa. Mountain Choke Cherry. Shrub to 10
feet, forming thickets. Grown from a yellow-fruited strain, and
while most of the plants will produce black fruit, a few will
have yellow or bright red cherries in racemose clusters. $1.00
each.
Quercus Gambellii. Western Scrub Oak. Shrub or small tree,
under favorable conditions attaining 20 feet. Rough brown bark
and very deeply lobed leaves. The common form of the eastern
foothills and has been separated into several closely related
species. Prune back before planting; I will do this before ship¬
ment if requested. 4-6 feet, $1.25 each, $12.50 per dozen; 6-8 feet,
$2.00 each, $20.00 per dozen.
*Quercus prinoides. Chinquapin Oak. A spreading shrub to
6 feet, bearing acorns when only a foot or two tall. Autumn
foliage very brilliant in shades of red. Small, $1.00 each.
*Quercus undulatus. Mountain Live Oak. Very bushy shrub
of slow growth, finally attaining 10 feet. The holly-like foliage
is bluish-green and is very persistent, remaining green well into
the winter and will prove evergreen in mild sections of the
U. S. This and the Western Scrub Oak are dry-climate types and
should be planted on a warm dry slope with good drainage.
Small bushy clumps, $1.50 each.
Rhus cismontana. Rockmont Sumac. 4 feet. A selected type
that differs in its dwarfer habit, its small red fruit clusters and
very dark, glossy foliage. Foliage brilliant red in autumn. A
shrub of exceptional value. $1.00 each, $2.50 for three.
SHRUBS
11
Rhus cismontana flavescens. Yellow-fruited Sumac. 6 feet.
An albino form of the western Sumac with yellow fruit and the
leaves yellow in autumn. 75 cents each, §7.50 per dozen.
Rhus cognata. Durango Sumac. An upright bushy shrub to
8 feet with aromatic trilobate foliage and brilliant red berries
in showy terminal clusers. Best in a sunny, dry or well drained
position. 75 cents each, §7.50 per dozen.
Rhus trilobata. Three-leaved Sumac. 4 feet. A rather low
spreading shrub for dry position. Foliage dark green, of thick
texture, with which the scarlet fruit makes a vivid contrast.
Large, §1.00 each, §10.00 per dozen.
Rhus typhina. Staghorn Sumac. Very large shrub with the
characteristic pinnate foliage. Fine stock. 75 (Cents, 10 for §6.00.
*Robinia hispida. Rose Acacia. 4 feet. A handsome flowering
shrub with large rose-colored pea blossoms. Like other Robinias,
it spreads by suckers. Large, §1.00 each.
*Robinia luxurians. Pink Locust. Formerly listed as R. Neo-
mexicana. A small tree, very hardy, the fragrant pink flowers in
great profusion through early summer. Plant where the suckers
will not be objectionable. 4-6 feet, §1.00 each.
Rosa foliolosa. Pixy Rose. A diminiutive Texas species with
white flowers, the foliage of dark green narrow leaflets. Dis¬
tinct from other roses, its neat appearance, non-weedy habit
and very small size characterize it as a gem for the rock garden.
Each, 75 cents, three for §2.00, ten for §6.00.
Rosa Iucida alba. (R. virginiana alba.) White Virginia Rose.
4 feet. Single blossoms of pure white, green stems and yellow
foliage in autumn; rare and choice. §1.00 each, §10.00 per dozen.
Rosa Iucida inermis.. Thornless V. Rose. 5 feet. Entirely free
of thorns, a desirable bush rose with red twigs in winter. Large,
§1.00 each, §10.00 per dozen.
Rosa melina. Black Canyon Rose. 4 feet. Forms compact
clumps which do not spread from the root. Flowers single,
dark rose with spicy fragrance. A very choice shrub. §1.00 each,
three for §2.75.
*Rosa stellata. Desert Rose. In appearance, very unique; pro¬
fusely branching, the twigs are spiny and coated with a felt of
stellate hairs. Flowers deep rose, followed by purplish bur-like
fruits, the leaves minute, five-parted and dark green. Hardy, and
blooms through a long season; a dry, sunny position is recom¬
mended. Each §1.00.
Rubus deliciosus. Rocky Mountain Bramble or Thimbleberry.
5 feet. One of the finest of Colorado Shrubs, satisfactory and
reliable. It .is thornless, forms handsome clumps with prettily
lobed foliage and in June bears a profusion of snow-white flow¬
ers as large as single roses and like them in form. A very fine
stock of young transplanted bushes, 18 to 24 inches, 75 cents
each, 3 for §2.00, 10 for §6.00, 100 for §50.00.
Note. Salix brachycarpa, Salix glaucops and Salix petro-
phila are temporarily sold out. I cannot supply them this season.
12
D. M. ANDREWS, BOULDER, COLORADO
Shepherdia argentea. Buffalo Berry. 8 feet. A tall hardy shrub
withstanding extremes of cold and drought. Its silver-gray foliage
is excellent for contrast and the scarlet berries add a touch of
color in late summer and autumn. 75 cents each, $6.50 per ten.
Symphoricarpos occidentalis. Wolfberry. 2 feet. A valuable
low shrub for dry or rocky slopes with good foliage and clusters
of pearly-white berries. 75 cents each, three for $2.00.
Symphoricarpos Utahensis. Utah Snowberry. 6 feet. The tall¬
est of the group; excellent foliage, pink flowers and white ber¬
ries, graceful habit. Large, $1.00 each, three for $2.50.
Symphoricarpos vaccinioides. Small-leaved Snowberry. An
elegant miniature of the Snowberry, of light graceful habit and
atractive appearance. Each 75 cents; three for $2.00.
Symphoricarpos vulgaris elongata. A selected type of the
Coralberry with elongated racemes of berries that are of ex¬
ceptionally fine color. $1.00 each, three for $2.50.
Symphoricarpos vulgaris leucocarpa. A beautiful albino with
creamy-white berries and light green foliage; excellent for con¬
trast. $1.00 each, three for $2.50.
New or Noteworthy Plants
Including Colorado Mountain Flowers
The opportunity to enrich your rockgarden with Colorado
Mountain Flowers is made the more attractive because of the
moderate cost and liberal service. The following are adapted to
spring planting. Additional kinds will be included in the autumn
catalogue that commence growth too early for spring planting.
The height of varieties too tall for the rockgarden is indicated
in the descriptions.
The prices of this section include prepaid delivery by parcel
post on orders of $3.00 or more. Safe delivery guaranteed; for
details, see introduction.
Allium brevistylum. Alpine Flowering Onion. Erect umbels
of showy deep rose flowers on stems a foot tall. From the sub-
alpine slopes of the Medicine Bow Mountains in moist humus
soil. The flowers are quite large, brilliant in color and several
weeks earlier than the Pagosa Onion. Easily grown. Three for
$1.00, ten for $2.50.
Allium recurvatum superbum. Pagosa Flowering-Onion. Larg¬
er every way than the type. The umbels gracefully poised on tall
arching stems, and the flowers bright rose-pink. In my opinion,
the most valuable garden flower in this group. Three for $1.00.
Anchusa Myostidiflora. Entirely distinct and different, grow¬
ing but 10 to 12 inches high and as broad, with sprays of clear
blue Forget-me-not-like flowers in April and May; half -shade.
50 cents each, 3 for $1.25.
Anemone patens Nuttal liana. American Pasqueflower. Silky
buds expand with the first few days of spring, into flowers of
D. M. ANDREWS, ROCKMONT NURSERY, Boulder, Colorado
Order Blank for Plants — Keep a copy of your order
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MOUNTAIN FLOWERS
13
pale lilac, as large as Crocus. No other flower of Easter time is
more beautiful. Three for 75 cents, 10 for §2.00.
Aquilegia coerulea. Rocky Mountain Columbine. A marvel
among Columbines, four-inch blossoms of blue and white with
long slender spurs. Large size and purity of color are assured
by planting our true native stock. Three for 75 cents, 10
for $2.00.
Aquilegia hybrida, Rainbow Blend. Rainbow Columbine. An
unsurpassed strain in habit, vigor of growth, length of spur and
size of flower. It surpasses all other strains in variety and
brilliancy of coloring, in. the predominance of colorful shades of
pink and rose, scarlet, velvety reds and purples, including tints
heretofore unknown. A steady improvement has been made by
introducing into the strain size from our own A. coerulea, and
intensity of color that will suprise the most experienced grow¬
ers. Thrifty young roots, five for $1.00, 25 for $3.00. Flowering
size, $2.00 per ten. Seed, $1.00 per *4 ounce.
Aruncus Sylvester. (Spiraea aruncus) Goatsbeard. Erect
branching herb, 4 feet. Foliage beautifully cut, the small creamy-
white flowers in huge feathery panicles. Very valuable border
perennial; each, 50 cents; three for $1.25.
Astilbe hybrids, in the following named varieties, supplied in
strong field-grown plants at 50 cents per clump in any quantity
or in any assortment. Gladstone, Gloria, Gruno, Princess Beatrice,
Thunbergii and White Pearl.
Caltha rotundifolia. White Marshmarigold. The two-inch white
flowers appear in early spring among the rounded basal leaves
of dark green. At home in boggy meadows, it will thrive in
half-shade if well supplied with moisture during the growing
season. Flowering clumps. Three for $1.00, 10 for $2.50.
Cardamine cordifolia. Bitter Cress. A stream-side plant which
will thrive in half-shade in an ordinary loamy soil and flower
profusely in April or May. It has roundish dark green leaves and
snow-white flowers in showy clusters on stems a foot tall. For
the edge of streams or pools, it will grow in full sun and is of
inestimable value. Three for $1.00, $2.50 per ten.
Centaurea rigidifolia. A rare oriental species growing three
feet tall with crimson heads for many weeks in summer and
autumn; lacks the coarseness of most species; 3 for $1.00, 10
for $2.50.
Chionophila Jamesii. Snow-lover. A pretty alpine of fairly
easy culture in acid peaty soil with half shade. Like a miniature
Pentstemon with a spike of tubular white flowers. Three for 75
cents, $2.00 for ten.
Clematis David iana. Tubular flowers of clear blue in whorls
from the two-foot erect stems; fragrant; valuable bush type;
50 cents each, 10 for $4.50.
Clematis eriophora. (Silky Clematis.) Bushy species a foot
tall with silky foliage and deep purple bell-shaped flowers in
May. Clumps 50 cents, 10 for $4.00.
^Clematis Fremonti, Fremont’s Leatherflower. Less than a
14
D. M. ANDREWS, BOULDER, COLORADO
foot tall, bushy, with flower bells in shades of lavender and
violet, leaves oval with entire margins; very distinct species of
easiest culture. 75 cents each, 10 for §6.00.
Clematis integrifolia. Low bush, flowering for a long suc¬
cession, the handsome blue flowers having petals two inches in
length. A most valuable and satisfactory plant. Flowering plants,
three for §1.00, 10 for §3.00.
Clematis recta grandiflora. A non-climbing species of the
habit and appearance of C. recta, having flowers fully two inches
across. These appear for a long season in large terminal panicles,
are fragrant, pure white, on stems two feet tall. Perfectly hardy,
a good thrifty grower and one of the most valuable addition to
the Clematis group in a decade. Strong flowering plants, 50
cents each; three for §1.25; §4.00 per ten.
Clematis Scotti, Scott’s Leatherflower. A foot or two tall,
gluacus pinnate foliage, flowers urn-shaped, the tips scarcely
spreading large, bluish-violet, beautiful and distinct. 60 cents
each 10 for §5.00.
Clematis Simsii, Sims’ Leatherflower. Handsome, vigorous
climber with herbaceous stems, producing all summer its dark
purple bells and silky seed clusters; Texas. 50 cents each, 10
for §4.00.
Clematis Texensis, (C. coccinea). Scarlet Leatherflower. A
hardy herbaceous climber which starts from the ground each
season, grows rapidly and blooms constantly from June till
frost. The flowers are broadly urn-shaped, brilliant scarlet, and
are followed by the silky seed plumes; hardy and exceptionally
valuable. 60 cents each, 10 for §5.00.
Convallaria majalis. (Parsons’ Var.) Lily of the Valley. A
stout garden type with extra large bells on long stems, followed
by showy scarlet fruit; selected pips, ten for §1.00. §7.50 per
hundred.
Delphinium Geyeri. Geyer Larkspur. Very showy flower of
the foothills with grayish foliage and long spikes of most in¬
tense blue flowers in June. Easily cultivated; suitable for dry
ground, non-acid soil. Three for 90 cents, 10 for §2.50.
Dictamnus fraxinella. Gas Plant. Very showy but infrequent
border perennial forming a bush two feet tall; aromatic foliage
and spikes of orchid-pink flowers in June. Best in a moderately
heavy soil and open sunny position where it will thrive if undis¬
turbed a score of years. Three for §1.00; strong clumps, 75
cents each.
Dodecatheon meadia, Shooting Star. One of the most charm¬
ing and least known of American natives. Our stock is from the
Mississippi valley where it reaches its largest size and finest
development, often more than two feet tall, the umbels bearing
20 to 30 white, pink or rose Cyclamen-like flowers of exquisite
beauty. All species thrive in rich humus soil in part shade.
Three for 90 cents, 10 for §2.50.
Dryopteris filix-mas. The Colorado Malefern is one of the
most valuable of hardy ferns with fronds two feet tall of firm
MOUNTAIN FLOWERS
15
texture, nearly evergreen, easily grown. Native of a dry climate,
it stands wind and lack of humidity better than most species.
String husky rhizomes, thTee for $1.00, 10 for $3.00.
-Erigeron Coulteri. Wolf Creek Daisy. Our selected type is
superior to the ordinary species. It forms neat clumps about ten
inches tall and the large white-rayed blossoms with yellow
centers come in June. Easily grown in the open garden. Clumps
50 cents, three for $1.25.
Filipendula. The principal group of plants formerly referred
to Herbaceous Spiraea. See also, Aruncus, Astilbe and Gillenia.
Filipendula hexapetala. (Syn. Spiraea filipendula). Single-
flowered variety with fem-like foliage and clusters of tinted
flowers. Three for $1.00.
Filipendula hexapetala, fl. pi. Dropwort. Herbaceous Spiraea.
Fern-leaved, with 15-inch stems bearing corymbs of small double
white flowers; 3 for $1.00, 10 for $2.75.
Filipendula purpurea. (Syn Spiraea palmata.) Siberian Mea¬
dowsweet. Exceedingly showy rose-red plumes; 4 feet. This,
like most of the others, does best in a moderately heavy loam
in the open. Three for $1.00, 10 for $2.75.
Filipendula purprea eiegans. Flowers white with pink
anthers; charming effect. Three for $1.00, 10 for $2.75.
Filipendula ulmaria plena. Double, pure white, dwarf. Three
for $1.00, 10 for $3.00.
Gentiana Andrewsii. Closed Gentian. Most of the Gentians
are difficult to establish, but this transplants easily, and the
large pale blue bud-like blossoms in September are very beauti¬
ful. Three for $1.00, 50 cents each.
Geranium nervosum. White Cranesbill. A neat species of pro¬
fuse flowering habit, blossoms white with thread-veins of violet.
The clumps have a spread of 18 inches. An improvement over
G. Richardsoni, offered previously. Three for $1.00, 50 cents each.
Geum ciliatum. Western Rosy Avens. A little gem of early
spring with rosy-pink flowers followed by tinted seed plumes.
Three for $1.00, 10 for $2.50.
Gillenia trifoliata. Bowmanroot. Very elegant plant like an
herbaceous Spiraea with sprays of rosy-white flowers. Easily
grown, permanent in habit and does not spread at the root.
50 cents each.
Helianthella quinquenervis. Sunwort An early-flowering
Composite with tali slender stems and large yellow-rayed flow¬
ers. Three for 75 cents, 10 for $2.00.
Iris Missouriensis. The native iris or flag of meadows and
mountain valleys, usually wet till after the flowering season in
May, Inter become very dry. A foot tall, forming large clumps,
the lavender or pale blue flowers comparatively large and showy.
Three for 75 cents, 10 for $2.00.
Iris Missouriensis Bluebird. Similar to the type, but flowers
Bradley’s violet, falls veined lighter. 75 cents each, 10 for $6.00.
Iris Missouriensis Snowbird. Pure white without veining.
$1.50 each, 10 for $12.50.
16
D. M. ANDREWS, BOULDER, COLORADO
Iris spuria aurea. Yellow Flag. A yellow iris on the order
of pseudacorus but less rampant, the flowers more prominent
because of shorter foliage. Three for $1.00, 10 for $2.50.
Iris orchroleuca. Yellow-banded Iris. Tall, late blooming,
magnificent clumps which flower best if undisturbed for long
intervals. Three for $1.00, 10 for $2.50.
*lris orientalis, Emperor. Two feet, violet. 75 cents each.
*lris, Perry’s Blue. (Siberica.) Chinese-blue shade with white,
very beautiful. 75 cents each.
Leucocrinum montanum. Sandlily or Starlily. Very early
spring flower of crystal-white, the size of crocus, forms a rosette
of narrow foliage. One clump will often bear fifty blooms in
one season. Hardy and successful East. Can be furnished in
spring, but autumn planting is recommended. Small clumps,
three for 90 cents, 10 for $2.50.
Liatris I igul istylis. Rocky Mountain Gayfeather. A dwarf
early species with very showy heads of rosy purple or pale
lilac. Three for 90 cents, 10 for $2.50.
Liatris punctata. Dotted Gayfeather. Suitable for the dry
rockery, several slender spikes less than a foot tall. Three for
75 cents, 10 for $2.00.
Lilies. Supplied in autumn.
Lithospermum linearifoiium. Puccoon. Long tubular phlox¬
like flowers of pale yellow on stems a foot tall. Three for $1.00.
Lithospermum multiflorum. Gromwell. A low bushy perennial,
related to Mertensia, and has paniculate sprays of golden yel¬
low bells in wonderful profusion. Grows on dry slopes and
should have a well-drained sunny position. Three for $1.00.
Malvastrum coccineum. Scarlet Mallow. Low-growing, colony¬
forming plant for dry sunny slopes. The gray foliage and copper-
scarlet flowers in short terminal racemes afford a pleasing ef¬
fect when planted in groups. Three for 75 cents, 10 for $2.00.
Manfrieda virginica. False Aloe. Succulent foliage resembling
an Aloe or Yucca and entirely hardy. 50 cents each, three for
$1.25.
Mertensia Ciliata, Mountain Bluebells. A luxuriant plant of
graceful habit with fine glaucus foliage, the drooping sprays of
pale blue flowers continue in bloom for a long period. Flowering
roots. Three for 90 cents, 10 for $2.50.
Mertensia lanceolata. Prairie Bluebell. Grows in open dry
fields and blooms in early spring. The delicate blue flowers ap¬
pear first in a compact cluster which expands with the develop¬
ment of new flowers into an open panicle a foot in length.
Three for 75 cents, 10 for $2.00.
Pentstemon alpinus, Alpine P. Stocky, dwarf habit, the large
dark blue flowers in a compact spike. An exceedingly beautiful
and satisfactory rockplant. Thrifty young plants five for $1.00.
Pentstemon lavendulus. This mountain form of secundiflorus
is a smaller plant with narrower foliage and forms better clumps.
MOUNTAIN FLOWERS
17
bearing consequently more flowers. On a dry sunny slope it is
very permanent and of excellent habit for the rock garden.
Color is deep lilac-purple. Clumps 50 cents each, three for $1.25;
young plants, 5 for $1.00.
Pentstemon saxosorum , A small plant with slender 10-inch
stems and quite large flowers of dark blue-purple. It forms neat
little clumps, has a good root system and promises to be
longer-lived than some others. A gem for the rock garden with
sun and good drainage. Clumps 50 cents, three for $1.25; young
plants, five for $1.00.
Pentstemon secundiflorus. A distinct type with fine glaucus
foliage, the stems a foot or more tall carrying a one-sided
raceme of very showy lilac flowers. Grows along the foothills
and requires dry conditions and full sun. Young plants, five
for $1.00.
Primula Parryi, Parry's Primrose. A very robust sub-alpine, a
foot or more tall with rosettes of broad foliage producing large
umbels of very showy crimson flowers with yellow centers.
Moist humus or peat, acid soil, partial shade. TTiree for $1.25,
10 for $3.50.
Primula polyantha. Hybrid English Primrose. Improved hy¬
brids, unsurpassed for their flowers of largest size and wide
range of color. Few hardy flowers of early spring persist for so
long a season. Thrives best in moist loam in partial shade.
Strong plants from the open ground ready to bloom. Three for
$1.00, 10 for $2.50.
Primula veris. English Cowslip. Umbels 4-8 inches high from
a leafy rosette grown from a select strain in a fine range of
color. Splendid rockplant for partial shade. Strong plants from
the open ground. Three for $1.00, 10 for $2.50.
-Rudbeckia montana. Coneflower. Dark purplish-black cones
three or four inches long without rays is the unique feature of
this Colorado species; 3 feet. Each 50 cents, three for $1.25.
Salvia azure a, Azure Sage. If limited to one blue flower, it
would be the Salvia in its several shades of blue. It never fails,
thrives almost without care, is true blue and has a long season
of bloom. Excessive moisture and fertility are to be avoided,
as a rank growth results in loppy stems and inferior bloom.
Three for 75 cents, 10 for $2.00.
Salvia Pitcheri. Dark-azure Sage. Later blooming and much
darker blue, but otherwise identical with S. azurea. The stems
grow three feet tall and are well adapted for cutting. Try
growing both Salvias in a rather dry position. Three for $1.00,
10 for $2.50.
Scabiosa caucasica. Blue Bonnet. The flowers of clear laven¬
der-blue are borne in large heads on slender stems all summer;
one of the few perpetual bloomers among hardy plants. A good
cutflower. Three for $1.00, 10 for $2.50.
Sedum Ewersii. Stonecrop. Handsome rock creeper with flat
foliage and clusters of pink flowers in late summer. Three for
$1.00.
18
D. M. ANDREWS, BOULDER, COLORADO
Sedum Kamtschaticum. Orange Stonecrop. Broad-leaved creep¬
er, foliage redish purple in winter; flowers deep golden yellow.
Three for §1.00, 10 for §2.50.
Sedum Maximowiczi. Amur Stonecrop. Erect stems a foot
high with yellow flowers in broad terminal clusters. Three for
§1.00.
Sedum Rhodiola. (Rhodiola integrifolia) Ruby Stonecrop or
King’s Crown. An alpine of the Colorado mountains for moist
soil and partial shade. Forms neat little clumps, the low stems
terminating in small clusters of dark ruby-red flowers which last
a long time. Small clumps, 50 cents, three for §1.25.
Sedum rhodanthum. (Clementsia rhodantha) Clement’s Stone¬
crop. A native subalpine in most soil and prefers half shade.
Under best conditions it forms clumps a foot in height, with
terminal clusters of pink flowers. Three for §1.00, 10 for §2.50.
Sedum stoloniferum coccineum. Valuable cover plant for dry
or sterile slopes, the fleshy leaves and stems reddening in
autumn and winter, flowers amaranth-red. Three for 75 cents,
10 for §2.00, §12.00 per hundred.
Synthyris plantaginea, Kittentails. An attractive rockplant
of easy culture, silky spikes of bluish flowers in early spring
from a rosette of broad foliage. Three for §1.00, 10 for §3.00.
Synthyris reniformis, Kidneyleaf. Round evergreen dentate
leaves and violet-blue flower spikes in early spring. A charming
plant for humus soil and shade. Three for §1.00, 10 for §3.00.
Synthyris rotundifolia, Roundleaf. Same culture and rosette
forming habit as reniformis, the flowers light blue in smaller
but more numerous spikes, often during mild weather in mid¬
winter. Three for §1.00, 10 for §3.00.
T rollius albiflorus, White Globeflower. A desirable sub¬
alpine for a moist peaty soil in partial shade. It blooms early,
the flowers quite large, sulfur, fading to pure white. Clumps
with several flowering crowns, three for §1.25, 10 for §3.50.
Trollius Europeus. Globeflower. Exquisite plant for partial
shade, the half-opening flowers clear yellow. Each 50 cents,
three for §1.25.
Valeriana acutiloba, Valerian. A very charming alpine or
rockplant which will thrive under ordinary garden conditions.
Forms a nearly evergreen leafy tuft, producing a succession of
flowering stems from very early spring till June, and often in
autumn. The small white or rose-tinted flowers are disposed in
rather close heads and the plant resembles a miniature Garden-
heliotrope. A rigidly tested novelty of exceptional worth. Three
for §1.00, 10 for §2.50.
Valeriana micrantha. A little taller than acutiloba and the
flowers creamy-white, in a more compact cluster. Both are at¬
tractive and distinct. Each 50 cents, three for §1.00, ten for §2.50.
Veronica amethystina. Speedwell. One-foot clumps, the
beautiful amethyst-blue flowers hiding the foliage in June; one
of the few that thrive in a dry position. Three for §1.00, 10
for §2.50.
MOUNTAIN FLOWERS
19
*Yucca coloma, Soaproot. Best of all the yuccas for the rock
garden because of its small size, it is proving to be in the East
a most satisfactory grower, originating as it does in a climate
of more abundant rainfall than the desert types. With its minia¬
ture rosettes of stiff blue green foliage and slender flower
spikes, no hardy species is more beautiful. Strong established
plants. |1.00 each, three for 02.75.
Yucca filamentosa variegata. Of two or more variegated
yuccas, this narrow-leaved type is entirely hardy and is a thrifty
grower. The leaves have very narrow stripes of green and
creamy white in summer, hut in winter the white stripe becomes
strongly tinged with red and is then the most beautiful varia-
gated plant I have ever seen. Strong field-grown plants, 75 cents
each, three for 02.00, 10 for 06.00.
Zygadenus elegans, Star Hyacinth. A lilaceous plant for moist
soils with slender stems and racemes of white flowers. Three
for 75 cents, 10 for 02.00.
Peonies, Iris and Phlox
Rockmont Introductions
During the reconstruction of nursery affairs in my change
from a general nursery to one of specialties, it became necessary
to omit my fall lists of Peonies. Now that the reorganization is
pretty well an accomplished fact, I plan a midsummer catalogue
that will give more adequate attention to the three flower
groups named above.
I may say too, that stock of the outstanding varieties has
been propagated consistently and that the present quantities
justify a material reduction over the introductory prices of those
previously listed. And also, that sufficient stocks are available
of a few new things in Peonies to permit their introduction at
attractively low prices.
Just to forecast some of the splendid offerings in Peonies
I will announce for fall delivery the following revised prices:
Manitou, late, heavy-stemmed shell-pink, 05. 00; Nimbus, tall,
stiff-stemmed late cut-flower huff-white, 07.50; Sixty-six, a
valuable free-blooming fragrant red, color of Filix Crousse, but
of stronger habit, 05.00. Then there is a marvel in deep rose
and most brilliant yellow, the center intermingled or all yellow,
very full and a heavy flower, profuse bloomer with a stout
stem; the name is Rosaureo; price to be given later. The largest
full double peony I have ever seen is number (17-34). Young
plants bloom regularly and the massive deep pink blossoms open
freely with none of the tightness common to large-flowered va¬
rieties. The person proposing an appropriate and acceptable
name, personal names excluded, will he awarded a root of this
variety free. Number (20-08) is an erect-growing intense red,
nearly as deep as M. Martin Cahuzac, hut much brighter with
a warm tone.
From my Japanese Peony seedlings I shall select six, in¬
cluding two new ones. Silver Plume is very large and its center
20 D. M. ANDREWS, BOULDER, COLORADO
is larger, fuller and more feathery than any other I know, not
excepting Ama-no-sode or Tamate-Boku. The color of the very
narrow twisted filaments is silvery pink, they are as long as
the guards and fill the center like a bomb-type peony. Whether
you care for Japs or not you will love Silver Plume. Number
(2020) is a seedling of Mikado, but is several shades darker, a
plant of finer habit, very erect. The center is of dark red ligules
of even length, the tips encrusted with gold. Prices will be given
in the summer catalogue, and revised prices on Calypso, Fla¬
mingo, Rosebud and Shavano.
Iris Introductions for spring delivery are priced as follows.
Prices for summer delivery are expected to be shaded a little
lower if stocks will permit.
Alabaster, purest white, price each _ 3 4.00
Amerind, tall golden bronze _ 4.00
Candlelight, rosy mauve and gold _ 7.50
Jacksore, vinous red self _ 10.00
Odaroloc, rose-toned lavender _ 1.50
Ophir Gold, very late, pure yellow - , - 1.00
Phlox Introductions. The six varieties of Phlox offered below
include four exceptionally brilliant bits of color. The four are
Mendelian hybrids derived from Coquelicot, into which larger
size has been introduced, together with greatly improved habit
and constitution. Osceola, Snowcap and Tanager have florets
larger than a silver dollar, Silverton much larger, and Colorado
approaches closely. Robin Hood is of medium size but larger
than others of its color class. All were new last season, except
Silverton, which was introduced in 1927. One root each of the
six for §10.00 delivered, prepaid.
The prices are for strong field-grown roots, sold singly as
follows:
Colorado _ §2.00
Osceola _ _ 2.00
Robin Hood _ 2.00
Silverton _ _ 1.25
Snowcap _ _ 1.50
Tanager _ _ 2.00
Seeds of Shrubs and Rare Specialties
Owing to the longer time required for the germination of
most shrubs, it is thought best to offer in packets of stated
quantity which will be of practical value for commercial growers.
Therefore, the offerings are the smallest quantity sold; no small
packets.
A few very choice specialties are included in this list
while our supply lasts at the prices quoted. Please order early,
before April 1st if possible. I will refund if sold out.
*Shrub seeds. Described under New or Noteworthy Shrubs.
Amorpha nana; per % ounce, §1.50; ounce, §5.00.
SEED SPECIALTIES 21
Arctostaphylos Uva-ursi; evergreen trailer; clean seeds. %
ounce, $1.25.
Cornus Coloradensis; y2 ounce, 75 cents.
Clematis ligusticifolia; % ounce, 75 cents; ounce, $2.50.
Jamesia Americana; fine clean seed, % ounce, $1.00.
Juniperus Siberica; berries, ounce, 75 cents.
Lonicera involucrata; trade packet, 50 cents.
Picea pungens glauca X; % ounce, 50 cents; ounce, $1.50.
Picea gungens glauca XX; % ounce, $1.00; ounce, $3.00;
pound, $25.00.
These seeds of the glaucus Blue Spruce are from a high
isolated valley where the trees are all very blue, no trees that
would be classed as green. The run of the valley, (glauca X)
will reproduce nearly 100% blue, as I have proven from seedlings
already grown to character size. The grade (glauca XX) was
saved from a single group in this valley, every tree of which
was as blue as a grafted Koster spruce. I have taken seedling
trees from this spot that are bluer and retain the color better
with age than Koster trees when grown side by side in the
nursery. I am reserving part of this (glauca XX) for my own
planting, but have a few pounds to spare, not more than one
pound to a customer.
Pinus aristata; % ounce, $1.00.
Rhus trilobata; clean seed, % ounce, 75 cents; ounce, $2.50.
Rubus deliciosus; clean seed (dormant first year) *4 ounce,
75 cents; ounce, $2.50.
*Rare flowers and lilies. Some of these are offered for the
first time.
Anemone globosa. Red Anemone or Windflower. A subalpine
for a gritty, peat soil, acid, with part shade. Packet 50 cents.
Corydalis nobilis. Perennial from a large root, forming
clumps a foot in height that flower profusely in early spring,
pale yellow in large clusters. Siberia. Seeds lie dormant first
year. Liberal packet, 75 cents.
Helianthus, Wine-Red. An improved type of the Red Sun¬
flower that comes quite true from the seed. Originally a red-
tinged sport of the native annual Sunflower. Color deep wine-
red, only slightly marked or bordered pale primrose. Height
four feet; annual. Packet, 50 cents.
Lilium Henryi. Liberal packet, $1.00.
Lilium hybridum. Hand-fertilized hybrids of the upright-
flowering types, including Umbellatum, Croceum, Elegans, etc.,
uniting several varieties in various combinations. Seedlings
that have flowered from the same range of hybrids show mag¬
nificent new types and colors. Liberal packet $1.00.
Lilium Parryi. Liberal packet, $1.00.
Lilium Croceum. Liberal packet, $1.00.
Lilium tenuifolium; ounce, $1.50; ounce, $5.00.
Lilium Willmottae. Liberal packet, $1.00.
22
D. M. ANDREWS, BOULDER, COLORADO
Note. Lilium tenuifolium grows easily from seed and
germinates quickly. Some kinds lie dormant one season or germi¬
nate after a few weeks or months.
Synthyris plantaginea. Packet, 50 cents; 1000 seeds, §1.00.
General List of Seeds
The germination period of seeds of perennials varies from
a few days or weeks to several months. There is a prevailing
notion that fresh seeds germinate quickly, or more quickly than
seeds a few months to a year old. Of the kinds here listed,
with possibly a few exceptions, there is no difference what¬
ever. If seeds ofClematis Texensis be planted the same day they
are gathered, they would lie dormant one full year from the
following spring, some 18 months in all. No coaxing or persuasion
will hurry it. Each kind of seed has its minimum period which is
often prolonged by unfavorable conditions.
Unless you possess a good degree of patience, the use of
plants already advanced to the flowering stage, will save time.
Excellent reports come in telling of success with my seeds,
and quite a number of the following items are not yet available
as plants.
Warranty. I supply seeds which I believe to be of sound
quality and able to germinate under proper conditions. They are
sold at a nominal price. Successful culture depends upon con¬
ditions not under my control. Upon these considerations, please
do not ask for replacement or reimbursement in case of failure.
*Seed Prices. The seeds listed as follows are put up in
packets at the uniform price of 25 cents per packet; minimum
order, §1.00.
Anemone patens Nutt. American Pasqueflower. Silky buds in
spring expand into showy flowers of pale lilac.
Aquilegia coerulea. Rocky Mountain Columbine. Four-inch
blossoms of blue and white long spurs. *4 ounce §1.00.
Aquilegia hybrida, Rainbow Blend. Rainbow Columbine. Sur¬
passes other hybrid strains in variety and brilliancy of coloring
and in the predominance of colorful shades of pink, rose, scarlet,
velvety reds and purples. White, yellow and pale tints are re¬
duced to their proper poportion. % ounce §1.00.
- - Argemone hispida. Dwarfest of the Prickly Poppies with
large white flowers of satiny texture and bluish green foliage.
Aster ptarmicoides. (Western form.) White Aster. An ex¬
cellent rock plant a foot tall for dry soil and full sun. Good
foliage and neat sprays of pure white flowers of lasting sub¬
stance good for cutting.
Astragalus Shortianus. Bright purple flowers from a rosette
of pinnate foliage, appearing in early spring; dry sunny position.
Campanula petiolata. Western Harebell. The blue bells on
slender stems are borne in utmost profusion for a long season.
* Seeds, 25 cents per packet; minimum order, §1.00.
SEEDS
23
Clematis Oriental Is. Yellow Clematis. (Vine.)
Clematis recta grandiflora. Magnificent clumps, foliage finely
cut, dark green, each stem producing 25 or more fragrant white
flowers two inches across.
Corydalis montana. Golden C. Profusely blooming annual
forming low mats for filling spaces in the rock garden.
Delphinium Geyeri. Geyer Larkspur. Grayish foliage from
which arise slender spikes of most intense blue; succeeds best
in a dry, sunny position.
Dictamnus fraxinella. Gasplant. Border perennial meriting
more general culture.
Erysimum asperum. Western Wallflower or Yellow Phlox.
An easily grown annual with yellow or orange phlox-like flowers
on foot-high stems.
Gail lard ia aristata. Blanket-flower. The original wild type is
preferred by some for its smaller center and less flashy color.
Gaura coccinea. Gaura. Low plant of dry ground with slen¬
der racemes of fragrant white flowers turning red with age.
Gilia pulchella. Bush Cypress or Skyrocket. A choice bi¬
ennial for gravely, peaty soil, preferably a sunny slope. Begin¬
ning early the second season the scarlet, pink or white star-
like flowers are produced on yard-high stems all summer.
Harbouria trachypleura. Golden Parsley. Slender stems with
foliage delicate as a fern, and showy umbels of golden flowers;
a valuable rockplant for a dry sunny place.
Heydysarum pabulare. Jointpod. Sprays or rosy pink pea blos¬
soms on stems a foot tall; dry limestone slopes.
Helianthella quinquenervis. Sunwort. Early flowering Com¬
posite with tall slender stems and yellow-rayed flowers.
Iris missouriensis. Blue-flag. Native spring-flowering iris of
pale blue.
Iris missouriensis, Bluebird. Seed saved from Bluebird; color
may vary.
Iris missouriensis, Snowbird. Pure white, comes mostly true
from seed.
Lepachys columnaris (Ratibida columnaris) Coneflower. A
gem for the rock garden or low border, yellow drooping rays
and dark cones. Blooms the first year from seed and for a
long season; excellent and easily grown.
Lepachys columnaris pulcherrima. Painted Coneflower. Out¬
standing for its remarkable color and as a garden flower of
easy culture. Identical with the yellow form except that the rays
are a rich mahogany-red. A true-to-color strain, not a mere va¬
riant, and blooms true from seed.
Liatris ligulistylis. Rocky Mountain Gayfeather. Dwarf, early
species with very large heads of rosy magenta.
Seeds, 25 cents per packet; minimum order, $1.00.
24
D. M. ANDREWS, BOULDER, COLORADO
Lilium tenuifolium. Coral Lily. Brilliant scarlet, easily grown
from seed.
Lupinus argenteus. Bluebonnet. Two feet, showy blue spikes,
deep well-drained soil.
Lupinus decumbens. Lupine. Three feet, much branched lilac,
free bloomer for a long season.
Lupinus Plattensis. Bicolored Lupine. Remarkable for the
conspicuous blotch in the upper half of each flower; rare low
growing species.
Mentzelia decape tala. (M. ornata) Evening Star. Marvelous
five-inch, ten petaled stars of creamy white, opening late after¬
noon for several weeks; perennial in dry calcareous soil.
Mertensia lanceolata. Prairie Bluebell. Thrives in any dry,
sunny position, blooms early and continues a long time. The
blue flowers and pink buds appear first in compact heads, which
expand into open sprays a foot high.
Oxytropis campestris hybrids. Hybrid Loco. A beautiful rock
plant of ideal habit, numerous flower spikes of wisteria-like
blossoms arising a foot in height from a broad rosette of pin-
ate foliage. Hybrids in a very wide range of colors, rose to
crimson and lavender to purple. Easily grown in a medium loam
with full sun and free drainage.
Oxytropis Lambertii. Crimson Loco. Many spikes of crimson
pea blossoms from a rosette of pinnate foliage.
Oxytropis splendens. Splendid Loco. A resplendent jewel of
rosy amethyst in a setting of silver, is this gem for the rock
garden. The flower spikes are low and compact and the foliage
silvery. Moraine soil, good drainage and full sun.
Oxytropis villosus. Silky Loco. Silky-gray rosettes and creamy
flowers.
Pentstemon albidus. White Pentstemon. A low-growing native
of sandy plains, easily grown and rather more permanent in
cultivation than others. Flowers white.
Penstemon angustifolius. (P. coeruleus) Dwarf, early, sky-
blue flowers, tinted rose.
Pentstemon humilis. Quite dwarf, deep blue, sunny rocky
slopes.
Pentstemon stenosepalus. A foot tall, large deep purple
flowers.
Pentstemon uni lateral is. Tall, deep purple flowers in long
racemes.
Polemonium confertum. Musk-flower. A treasure among Colo¬
rado alpines, forming clumps at high altitudes, the very con¬
spicuous flower clusters reflecting the intense blue of the alpine
sky.
Polemonium melitum. Polemonium. Similar to P. confertum
except in color of the flowers which are sulphur-white. Easily
grown in light soil and partial shade.
* Seeds, 25 cents per packet; minimum order, $1.00.
SEEDS
25
Polemonium molle. A foot tall with panicles of small blue
flowers.
Polemonium occidentale. Belongs to a distinct group of this
genus, producing violet blue bells for a long season on 12-inch
stems. Easily grown in humus soil in half shade.
Polemonium robustum. Two feet tall, long season of bloom.
Primula Parryi. Parry’s Primrose. Large umbels of crimson
flowers from a rosette of light green foliage.
Pyrethrum hybridum. Painted Daisy. Fine mixed strain of
single and double.
Quincula lobata. Low rock plant for dry, sunny spot, with
purple star-shaped flowers.
Rudbeckia hirta. Brown-eyed Susan. Easily-grown perennial
with golden-yellow rays and dark center.
Salvia azurea. Azure Sage. Light blue; avoid excessive moist¬
ure and fertility.
Sidalcea Neomexicana. Rose Mallow. The one-inch blossoms
of clearest pink appear for many weeks on 3-foot stems. Native
of moist mountain meadows.
Sphaeralcea cuspidata. Tall Scarlet Mallow. A much taller
plant than the Scarlet Malvastrum but with similar flowers and
forms bushy clumps three feet tall; for dry soil, new.
Thermopsis montana. Buffalo Pea. A foot high, early spring,
showy yellow pea blossoms.
Thermopsis rhombifolia., Very dwarf species; yellow.
Townsendia grandiflora. Rock Daisy. Annual or biennial,
forming low clumps with large white daisies in early summer.
Sunny slope, sandy soil.
Trifolium dasyphyllum. Alpine Clover or Trifoil. Tufts of
narrow foliage from a deep root, not creeping, and heads of
showy pink flowers. A lovely alpine for rock crevises.
Trifolium Parryi. Parry’s Alpine Clover. Of similar habit,
foliage broader and the large flower heads deep rosy purple,
very beautiful.
Verbena ciliata. Mountain Verbena. Perennial in dry soils,
hardy, a profuse bloomer the entire summer, elongating heads
of lilac or lavender flowers.
Yucca glauca. Soapweed. One of the hardiest and easily
grown from seed.
Zygadenus gramineus. A lilaceous plant with creamy flowers
from a deep bulb, dry sandy soil, full sun.
* Seeds, 25 cents per packet; minimum order, $1.00.
LILAC ROOT-GROWTH COMPARED
Own-root Lilacs vs. grafted. See page 4.
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