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MOUNT ARBOR NURSERIES, SHENANDOAH, IOWA 
PERENNIALS - Bare Root 
HARDY PERENNIAL, ALPINE AND ROCK GARDEN PLANTS 
The Largest, Most Complete Assortment in the Middlewest. 
Field Grown, under irrigation, insuring sturdy, vigorous, well rooted plants, 
that you can plant on the job or line out with assured success. For many years, 
we have specialized in hardy Perennials and our list of proven varieties includes 
an excellent selection of new and rare varieties as well as the old favorites. Strong 
plants, for every purpose, at low prices. 
Explanation of symbols used in describing the Perennials listed on the following 
pages. 
Varieties * indicates adaptability for rock plants. 
Color indicates bloom; Month period of blooming season; (") inches high 
when in bloom; (') feet high when in bloom. 
ALL PERENNIALS ARE SHIPPED BY EXPRESS. They are very perish¬ 
able and should NOT be included in a Freight shipment. 
HARDY PERENNIALS AND ALPINE PLANTS 
*ACHILLEA Milfoil or Yarrow Per 10 Per 100 
Aurea Tomentosa, lovely small rock plant, grows into rosettes 
of silver foliage with clustered heads of bright yellow flowers 
about 6 inches apart. Plant 4 inches apart. $ .90 $ 8.00 
Millefolium Roseum, (Rosy Milfoil) head of soft rose flowers, 
finely cut foliage, June-August, 18".... .80 7.00 
Ptarmica The Pearl, white, June-July. 18". .80 7.00 
ADENOPHORA 
Polymorpha, Campanula-like flowers, dark blue, 15". .90 8.00 
*AGROSTEMMA, Rose Campion 
Coronaria, (Mullein Pink) bright rose clumps, June-July, 
2V 2 to 3' .90 8.00 
ALTHEA ROSEA, Hollyhock 
Allegheny Single Mixed, various colors from pure white to a 
deep maroon, July, 5'.60 5.00 
Double Varieties, separate colors red, pink, white and yellow, 
July, 4' .90 8.00 
*ALYSSUM, Rock Madwort 
Rostratum Prostrate, almost shrubbery variety. Hoary grey all 
over, flowers pale yellow, May to June, 1'. .90 8.00 
Saxatile Compactum, sometimes called “Basket of Gold". Low 
sprawling habit of growth, producing masses of bright yellow 
flowers, May, 10" .90 8.00 
ANCHUSA Bugloss 
Angustifolia, narrow leaved, sky blue, 24". .70 6.00 
Italica var. Dropmore, bright blue all summer, 3 to 4'. .90 8.00 
Myosotidiflora, dwarf; clusters of gentian blue forget-me-not 
like flowers. May-June. 12". 1.40 12.00 
* ANEMONE, Windflower 
Pulsatilla, violet, April and May, 12". 1.40 12.00 
*AQUILEGIA, Columbine, May, June 
Caerulea, (Rocky Mountain Blue Columbine). Blue flowers 
with long spurs, 2'. 1.40 12.00 
California Hybrids, yellow with orange spurs, May-June, 18" .90 8.00 
Chrysantha, bright yellow, 2'. .90 8.00 
Crimson Star. Its flowers are very large with crimson sepols 
and spurs, white petals, an entirely new color in Aquilegias. 
The plant has a sturdy full-flowering habit. 1.40 12.00 
Dobbies Imperial Hybrids. The most recent English triumph, 
notable for size and sturdiness, long spurs, and a wide range 
of colors. 1.40 12.00 
