Nursery Located At Ruckman Road | ah 
Dicentra formosa Bountiful. A more vigorous form of the above with flower stems to 
easel high with an abundance of larger purple flowers all summer. Same soil as 
above. 
Dicentra formosa Sweetheart. A very lovely form of the Western Bleeding Heart with 
delicate light green ferny foliage and charming pure white flowers on 12 inch stems 
from May to November. A rich garden loam a bit on the acid side in a moist shady | 
spot. (pH 5-7) 
Dicentra oregana. A native of Oregon that grows into low clumps of attractive blue- 
gray ferny foliage about 6 inches high. The cream and rose hearts are borne on 
foot high stems in early summer. I like it more for its foliage than for the flowers. 
An interesting item for collectors. It succeeds in a rich garden loam in shade or 
half shade. (pH 5-7) 2 
DODECATHEON. Shooting Star. (Primulaceae, Primrose Family) 
Dodecatheon cusickii, Neat rosettes of small fleshy leaves about 2 inches high and deep 
purple flowers with yellow centers on 6 inch stems in April and May. Each little 
flower looks like a tiny shooting star. Easy to grow in a rich acid leafmold soil 
in ‘shade. (pH 4-6) It likes lots of water in its growing season in spring and 
complete dryness in its dormant season, from July onward. 
Dodecatheon meadea. The Eastern native Shooting Star, with large, flat leaves in 
clusters and tall flower stems from 12 to 18 inches high bearing purple, lavender 
or white flowers in May. This also likes a rich acid leafmold soil in shade. (pH 
4-6) Both species should be planted close together in groups to give the best showing. 
DORONICUM. Leopards Bane. (Compositae, Daisy Family) 
Doronicum cerdifolium. This may be a small form of D. caucasicum. Low clumps of 
small cordate leaves about 3 inches high and large, bright yellow daisies on stems 
from 6 to 15 inches high in April and May. Whatever the proper name, it is a per- 
fect subject: for rack gardeners. Easy to grow in ordinary garden soil in sun or 
light shade. (pH 6-8) 
DOUGLASIA. (Primulaceae, Primrose Family) 
Douglasia montana. A tiny alpine from the Rocky Mountains that look like little tufts 
of evergreen moss. It has vivid red-purple flowers nestled in the tight foliage in 
April. A desirable alpine that is difficult to grow. It should be planted in a moraine 
or a very gritty, well drained lime soil in sun or light shade. (pH 7-8) Ample cool 
moisture and good drainage are absolutely necessary. 
Douglasia vitaliana. Another dainty alpine, this one from the Swiss Alps. A mat of 
smll rosettes of tiny pale green leaves, edged with white. The fragrant yellow 
flowers adorn the mossy cushion in April and May. This tempermental alpine also 
requires a very well drained alkaline soil in sun or light shade. (pH 7-8) Light 
shade preferred. 
DRABA. Whitlow Grass. (Cruciferae, Mustard Family) 
Draba fladnizensis. See Arabis carduchorum, previously listed as D, fladnizensis. 
Draba haynaldii. Tiny green leaves in globular rosettes, forming rounded cushions about 
one inch high with flower stems 2 to 3 inches high bearing little clusters of bright 
yellow flowers in April. The most difficult of the Drabas to become established. It 
requires a gritty, well drained lime soil in full sun. (pH 7-8) 
Draba longirostra. (Formerly listed as D. longistrata erioscapa) Little evergreen buns 
of tiny fresh green leaves in tight rosettes. Showy clusters of bright yellow flowers 
on 3 inch stems in late April and early May. Easy to grow in a well drained garden 
soil in full sun. (pH 6-8) It loves a very gritty, sandy soil, Lovely in rock cravices 
and dry walls. 
Draba olympica. Bright green buns of tiny leaves-in tight rosettes that are attractive 
throughout the year even without the flowers. Large clusers of bright yellow flowers 
on 4 inch stems in early April. One of the first of the alpines to open in the 
spring. The easiest of the Drabas to grow in a well drained garden soil in full 
sun. (pH 6-8) A pleasing evergreen wall plant. 
