20 



HARDY ROCK GARDEN PLANTS "tarSS?"" 



These plants are specially selected to produce an attractive display in the rock garden from early spring and throughout the sum- 

 mer to fall. 



The construction of a rock garden is very simple. It should be located preferably where there is already a natural outcropping of 

 rock. However, if such a site is not available, an attractive garden may be built anywhere by following the instructions given in our 

 pamphlet — sent free on application — entitled "The Rock Garden." 



NEPETA Mussini. 1 2 to 1 8 inches. Lavender flowers July and August. 



PHLOX Divaricata Canadense. Fragrant lavender flowers in April and 

 May. Grows well in shade. Height, 1 foot. 



PLUMBAGO Larpentae. 6 to 8 inches. Of spreading habit. Deep blue 

 flowers from June to fall. 



SAPONARIA Ocymoides Splendens. 8 inches. Bright rosy-pink flowers 

 May to August. 



SEDUM Acre (Golden Moss). 2 inches. A moss-like, spreading plant 

 with bright yellow flowers in spring. 



Price for any of the above Rock Garden Plants, 25c each; $2.50 doz.: 

 $20.00 per 100. 



SPECIAL OFFER: One plant each of the 25 Selected Rock Garden 

 Plants described above for $5.00. 



AJUGA Reptans. 4 inches. Deep blue flowers in May and June. 

 Will grow in shade. 



ALYSSUM Saxatile Compactum. 12 inches. Golden-yellow flowers 

 in May and June. 



ARABIS Alpina. 10 inches. White; a good plant for shade. Blooms 

 April to June. 



ARMERIA Maritima. 3 to 6 inches. Pale pink; flowers in May and 

 June. 



ASTER Alpinus Rubra. . 6 to 10 inches. Covered with dainty rose- 

 purple, single Asters in May and June. Plant in full sun. 



AUBRIETIA Eyri. A dwarf, creeping plant. Rosy-lilac flowers in 

 May and June. 



CAMPANULA Carpatica. 8 inches. Clear blue flowers, June to 

 October. Grows well in shady places. 



CERASTEUM Tomentosum. 10 inches. Silvery foliage and white 

 flower. Blooms in June. 



CRUCIANELLA Stylosa. 6 inches. Purple ball-shaped flowers. Flowers 

 in early summer. 



DIANTHUS Alpinus Allwoodi.The loveliest rockery pink.The rose-pink 

 flowers are produced on 4-inch stems in July and August. Plant in open sun. 



DICENTRAEximia. 15 inches. Fink flowers from April to fall. 



GENTIANA Andrewsi. 2 feet. Intense deep blue flowers, July to 

 October. 



GEUM. Mrs. Bradshaw. 2 feet. Fiery red, double flowers, May to 

 August 



HEPATICA Triloba. Light blue flowers in spring. Grows well in shade. 



HEUCHERA Sanguinea. 12 to 18 inches. Bright crimson flowers 

 June to September. 



1BERIS. 8 to 10 inches. A good rock plant with evergreen foliage and 

 white flowers in spring. 



INCARVILLEA Delavayi. 18 inches. Large rich rose. Gloxinia-like 

 flowers with deep yellow throats all summer. Grows well in shade. 



IRIS Pumila Fairy. This beautiful pale blue Iris does not grow over 

 4 inches high. 



LYCHNIS Haageana. 1 foot. Flowers of orange-red, scarlet and crim- 

 son. June to August. 



MERTENSIAVlrginica. 12 to 18 inches. Light blue flowers, changing 

 to clear pink May and June. 



A well-planted rock garden is a delightful spot. 



Henderson's Popular Collections of Perennial Plants 



CORNER 

 GROUP OF 

 PERENNIALS 



A corner grouping ot perennials 25 by 25 by 5 feet wide. The 

 plants selected should produce an attractive and colorful display 

 through the entire season. 



No. on Plan Plants 



No. on Plan 



6 Dianthus Barbatus 1 



4 Iberis Sempervirens. . . . 2 

 4 Gaillardia Grandi flora. 3 



4 Achillea the Pearl 4 



6 Plumbago Larpentae.. . 5 



i 4 Cerastium Tomentosum6 

 15 Viola Jersey Gem 7 



1 5 Alyssum Saxatile 8 



|6 Hardy Garden Carnation9 



1 6 Cherianthus Allioni. . . .10 



6 Phlox Enchantress 11 



6 Campanula 12 



5 Aquilegia 13 



Special — Corner group of 1 



6 Physostegia Vivid 14 



6 Delphinium Blue But- 

 terfly 15 



4 Coreopsis Lanceolata.. .16 



5 Digitalis 17 



5 Delphinium Wrexham 

 Hybrids 18 



4 Boltonia Latisquama. 19 



6 Hibiscus Giant Pink. . .20 



4 Helenium Superbum 

 Rubrum 21 



5 Liatris Pycnostachya.. 22 

 3 Aster Skylands Queen 23 

 15 perennial plants for $23.00 



FORGET-ME-NOT COLLECTION 

 17 HARDY PERENNIALS 



OF 



A succession of bloom with a picturesque effect can be obtained by plant- 

 ing this collection. The different varieties flower at different periods and 

 vary in natural heights, the effect in the garden is a continued source of 

 pleasure, while for cutting purposes most of the varieties are charming and 

 graceful. 



Hollyhock. Double mixed. 

 Forget-Me-Not. Blue. 

 Delphinium. Blue. 

 Pyrethrum Hybridum. Mixed. 

 Sweet William. Mixed. 

 Hardy Phlox. Assorted. 

 Canterbury Bells. Mixed. 

 Digitalis. Mixed. 



Scabiosa. Blue. 

 Alyssum Hardy. Yellow. 

 Coreopsis. Yellow. 

 Poppy. Hardy mixed. 

 Aquilegia. Mixed. 

 Gaillardia. Hardy. 

 Carnation. Hardy mixed. 

 Aster. Hardy mixed. 



Chrysanthemum. Shasta Daisy. 



Special Offer — 1 plant each of 17 varieties for $4.00; 3 plants each of 

 17 varieties for $10.00; 6 plants each of 17 varieties for $19.50. 



THE "IMPERISHABLE" PERENNIAL FLOWER BORDER FOR $20.00 



A sketch plan for a typical hardy perennial border is shown below. To make one like it, 5 by 50 feet would require 100 plants. We list below 30 varieties 

 of contrasting heights and colors and the number of plants for each group. The number after each variety gives the position in which they should be planted. 

 Plants No. on Plan 



Plants No. on Plan 



3 Baptisia Australis 9 



3 Gypsophila paniculata 10 



3 Anemone Japonica 11 



4 Gaillardia grandiflora 12 



3 Achillea the Pearl. 13 



3 Pyrethrum 14 



3 Physostegia Virginica 15 



Special Offer — The Imperishable Border Collection, 100 plants, as listed above for $20.00 

 order is filled we will substitute aimilar aorta unless instructed to the contrary. 



.3* lO' 15' 20" as SO* 



3 Lobelia cardinalis 1 



4 Digitalis 2 



2 Anchusa Italica 3 



2 Boltonia Asteroides 4 



3 Rudbeckia purpurea 5 



3 Hibiscus 6 



4 Delphinium formosum. .... 7 

 3 Helianthus multiflorus 8 



Plants No. on Plan 

 3 Hemerocallis flava 16 



3 Coreopsis Lanceolata 17 



4 Campanula 18 



4 Aquilegia 19 



3 Papaver 20 



4 Alyssum Saxatile .21 



4 Dianthus 22 



Plants No. on Plan 

 4 Funkia variegated 23 



3 Heuchera sanguinea 24 



4 Plumbago Larpentae 25 



4 Arabis albida 26 



3 Monarda didyma 27 



4 Iberis 28 



3 Scabiosa 29 



4 Phlox Subulata 30 



Should any of the above varietiea be sold out when 



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Send for free pamphlet, "Planting Plans for Perennial Borders." Purchaser pays transportation charges on plants. 



See notice top of page 1. 



