Nursery Located At Ruckman Road 69 
Polystichum braunii, (Shield Fern) A rare species from the northern woods. Long, 
very broad fronds in low, arching clumps. The green fronds are sharp-toothed and 
covered with brown hair. Easy to grow in a rich acid woodland soil in shade. 
(pH 4-6) 
Polystichum lonchitis. (Mountain Holly Fern) Very attractive large 12 inch high clumps 
of dark, leathery, glossy green, arching evergreen fronds. It likes a shaded rock 
crevice in an acid leafmold soil. (pH 4-6) This Rocky Mountain species is like the 
Christmas Fern, but lower growing and the shape and size of the fronds are variable. 
POTENTILLA. Cinquefoil. (Rosaceae, Rose Family) 
Potentilla atrosanguinea, Probably the most spectacular of the Cinquefoils. Large 
clumps of silvery leaves about 6 inches high, The leaves resemble those of the 
Strawberry. Tall arching stems about 23 inches long bearing bright fiery red flow- 
ers in June and July. It likes a well drained garden soil in full sun. (pH 6-8) Won- 
derful as a wall plant or for pockets in hot sunny rocks. 
Potentilla flabellifolia. Dense tufts of dark green, deeply toothed leaves about 3 inches 
high, producing many thin, ascending stems to 6 inches high with airy sprays of 
vivid yellow flowers in May and June. A native of the Rockies that is excellent for 
walls and dry sunny rocks. It likes a gritty lime soil in full sun. (pH 7-8) 
Potentilla fruticosa. A sturdy shrub from 2 to 3 feet high with deeply cut light green 
foliage and a continuous display of bright yellow flowers from June to October. 
If it is left to grow naturally it gets tall and rangy, but can be made to grow into 
a dense attractive bush by frequent trimmings. Easy to grow in any garden soil 
in sun or light shade. (pH 6-8) 
Potentilla fruticosa pumila. An extremely dwarf variety that eventually reaches a height 
of 5 to 6 inches in about 6 years. It has very tiny leaves very closely set on its 
stiff branches. Deep yellow flowers almost continuously from June to October. A 
plant that will never get out of bounds. 
Potentilla fruticosa rigida. Another dwarf form with very rigid, erect branches in a 
dense slow growing shrub about 8 inches high, Attractive_cut-leaf foliage and showy 
yellow flowers in the summer, Easy and permanent in any ordinary garden soil in 
sun or light shade. (pH 6-8) 
Potentilla fruticosa tenuiloba. A variety with thin, wiry branches about 12 inches high 
in attractive graceful clumps with very finely laciniated light green leaves. The 
lovely light yellow flowers in summer make this the prettiest of the group. 
Potentila fruticosa vietchii. Another exceedingly handsome variety that is smaller and 
much more compact that P. fruticosa. It forms neat symmetrical clumps of large, 
deeply cut leaves on sturdy branches from 18 to 30 inches high. It displays its large 
pure white flowers from June to October. It is a tall kind that can be trimmed to 
any size desired, All these varieties of P. fruticosa are easy to grow in any ordin- 
ary garden soil in full sun or light shade. (pH 6-8) 
Potentilla nevadensis. An enchanting little beauty from the sun drenched rocks of Spain. 
Dense flat tufts about 2 inches high, of palmately parted light green leaves covered 
with a coat of silvery, silky hairs. Cheery clusters of clear yellow flowers in May 
and June. It requires a well drained, gritty lime soil in full sun. (pH 7-8) 
Potentilla tormentillo-formosa. (Potentilla tonguei) A wonderful trailer for hot dry 
rocks and walls. Large clumps of pretty strawberry leaves about 4 inches high and 
long trailing stems bearing a continuous avalanche of showy apricot flowers with 
bright crimson centers from June to October. It thrives in any ordinary garden soil 
in full sun, (pH 6-8). The long trailing stems do not root down, therefore it is 
not at all weedy. 
Potentilla tridentata. An evergreen shrublet about 6 inches high, forming neat rounded 
clumps of shiny, dark glossy green, three parted leaves with dainty white flowers 
held on three inch stems above the foliage in June and July. It spreads rather 
quickly by underground runners and forms solid carpets of thick emerald green. 
“An eastern U. S. native that is easy to grow in any ordinary garden soil that is 
not too limy. (pH 5-7) 
