WESTBURY STATION, N. Y. 



75 



Hardy Garden FloWers 



SEDUM acre. Stonecrop. A creeping- plant with 

 bright golden star -shaped flowers in May. 

 Thrives in the driest portions of the alpine gar- 

 den, and may be used at the top of stone walls 

 as a cover plant. 



S. album. A similar plant with white flowers. 



S. spectabile. Japanese Live-forever. Has broad 

 flat heads of rose-colored flowers. Excellent for 

 edging beds. 



SILPHIUM perfoliatum. Cup Plant. A stately 

 plant with large leaves, squared stems and lemon- 

 yellow blossoms 3 to 4 inches across. 6 feet. 

 Midsummer. 



SOUTHERNWOOD. See Artemisia. 

 SPIR^A Japonica. See Astilbe. 

 SPIDERWORT. See Tradescantia. 



STOKESIA cyanea. Stoke' s Aster. A very beau- 

 tiful blue flower 4 inches across. It resembles the 

 Cornflower of Germany. Blooms continuously 

 from July till October, i % to 2 feet. 



STACHYS Betonica rosea. Betony. Spikes of rosy 

 red flowers about 10 inches high. June and July. 



STONECROP. See Sedum. 

 SUNFLOWER. See Helianthus. 

 SWEET WILLIAM. See Dianthus. 



THERMOPSIS Caroliniana. Vigorous upright plant 

 bearing spikes of yellow pea-shaped blossoms. 

 Will thrive in poor soil. 3 feet. June and July. 



THYMUS Serpyllum, var. citriodorus. Lemon 

 Thyme. A low evergreen creeper. Its aromatic 

 foliage is used for flavoring. Excellent for bor- 

 ders or as cover in dry places. 



Thymus Serpyllum, var. aureus. A golden varie- 

 gated form. 



THRIFT. See Armeria. 



TRADESCANTIA. Spiderwort. A plant of the 

 old-fashioned gardens, sometimes persisting after 

 the house has gone to ruins. Flowers bright 

 violet-blue. 2 feet. June to September. 



T. alba. A white form of the above. 



TRITOMA. See Kniphofia. 



TROLLIUS Europaeus. A member of the Buttercup 

 family, with bright yellow globular flowers 2 inches 

 through. 2 feet. May to August. 



VALERIANA. Valerian. An old-time garden 

 favorite. The pinkish white flowers are borne in 

 wide, open panicles. Spicy. 2 feet. May and June. 



VERONICA spuria. V. amethystina ; Speedwell. 



Amethyst-blue flowers in spikes. 2 ft. May 



and June. 

 V. spicata. Flower-spikes bright blue, i% feet. 



VINCA. Myrtle, or Periwinkle. A beautiful ever- 

 green cover plant. Leaves shining, rich green, 

 with flowers of clear blue in May. For uses, see 

 under Broad-leaved Evergreens. 6 inches. Low 

 rates per thousand. See illustration on page 56. 



YUCCA. Spanish Bayonet ; Adam's Needle. A 

 fine evergreen plant, having long, sharp-pointed 

 leaves or needles, somewhat resembling the 

 Century Plant. The beautiful creamy bells are 

 borne in stately spikes. To get the full effect of 

 their beauty they should be seen against an 

 evergreen background. Excellent for dry banks. 

 Plant in masses. 4 to 7 feet. June and July. 

 See illustration on page 58. 



On the left, a steep roadside bank made safe by a dense planting of shrubbery ; on the right, groups of Pin Oak and 

 Colorado Blue Spruce. Estate of Mr. Hamilton Gary. 



Hardy Flolver Calendar 



For the convenience of the garden-maker in planting for a continuation of flowers, the hardy peren- 

 nials are arranged alphabetically, on the following pages, by months to show the period of bloom 

 In some cases several varieties of a species should be planted to furnish the succession. 



