Hardy Garden Flotoers 



74 



ISAAC HICKS & SON 



Phlox decussata. (See page 73.) 



Phlox subulata, var. rosea. D A bright rose-pink. 

 P. subulata, var. alba. Pure white. 

 PINKS. See Dianthus. 



PLATYCODON grandifiorum. Campanula grandi- 

 flora ; Chinese Bellflower. A valuable peren- 

 nial, with blue or white bell-shaped flowers, 

 resembling the Campanula, but having broader 

 bells, i to 2 feet. June to October. 



PLUME POPPY. See Bocconia. 



POLYGONUM Sieboldi. P. cuspidatum ; Knot- 

 weed. A large, bushy perennial, with stems 

 gracefully curving outward, enveloped in clouds 

 of fine whitish flowers. 4 to 7 feet. July. 



P. sachalinense. Similar to, but larger than the 

 above. They both spread rapidly, and should be 

 planted where this habit is not a detriment. 

 Effective for bold masses in wild places. 8 to 12 

 feet. July. 



POLYGONATUM. Solomon's Seal. A desirable 

 plant for shady places. Graceful sprays, bearing 

 pendent green-white bells, after the manner of 

 Lily-of-the-valley. 2 to 3 feet. June. 



POPPY. See Papaver. 

 PRICKLY PEAR. See Cactus. 



PRIMULA. Primrose. Small compact plants, with 

 bright blossoms, that should be found in every 

 garden. 



P. veris. English Cowslip. One of the earliest 

 spring flowers. The well-known hardy Primrose 

 in a variety of colors rich reds and yellows. 

 5 inches. April and May. 



P. vulgaris. English Primrose. Canary-yellow 

 and fragrant. The old sort. 5 inches. 



PYRETHRUM roseum. An excellent flower for 

 cutting. Flowers resemble the China Aster, and 

 are about 3 inches across. White, pink and red. 

 \ l /z feet. May and June. 



P. uliginosum. See Chrysanthemum uliginosum. 



RANUNCULUS acris flore pleno. Double Butter- 

 cup. A neat clump of foliage, with shining yel- 

 low buttercups, i y z feet. May to August. 



R. repens, var. flore pleno. A creeping plant, 

 suitable for wild gardens, cover for banks and 

 margins of water. Spreads rapidly. Double 

 bright yellow. 8 inches. May and June. 



RAGGED ROBIN. See Lychnis. 



RED-HOT POKER PLANT. See Kniphofia. 



RUDBECKIA laciniata, "Golden Glow." Cone- 

 flower. This popular plant is the most conspicu- 

 ous object in the border in August. The bloom- 

 ing season may be prolonged by cutting back 

 some plants before or after the first flowering. 

 The flowers are double, rich golden yellow and 

 shaped like Dahlias. Borne in great profusion. 

 6 to 8 feet. July to September. 



R. maxima. Broad smooth green foliage, with very 

 large bright yellow flowers with a central cone 

 2 inches long. 5 to 6 feet. 



R. triloba. A neat, sprightly plant. The best of 

 its sort. Completely covered with golden yellow 

 flowers with black centers. 3 to 4 feet. August 

 and September. 



SALVIA azurea, var. grandiflora. In early autumn 

 this bears loose panicles of pure blue flowers. 



2 to 3 feet. August and September. A rare 

 and beautiful addition -to the flower border. 



SANGUINARIA Canadensis. Blood-root. A har- 

 binger of spring which appears too delicate for 

 the cold winds of March. Pure white flowers 



3 inches in diameter. Will grow in the open, but 

 prefers the company of ferns. 



SEA PINK. See Armeria. 



Platycodon grandiftorum. 



