Guide to growing garden plants - Hedysarum Hedysarum are a genus
of half hardy Perennials that are usually grown as annuals and
biennials in the garden. Quick Hedysarum Growing Guide and Facts
Common Names: Sweetvetch, French Honeysuckle, Cock's Head,
Yellow Sweetvetch. Life Cycle: Hardy perennial commonly grown as
a hardy annual or hardy biennial by gardeners. Height: 24 to 60
inches (60 to 150 cm). Native: Europe, Asia, North America,
North Africa. Growing Region: Zones 4 to 9. Flower Details:
Yellow, red, violet, purple. Stemmed Raceme. Foliage: Feather-
like leaflets. Attractive leaves. Sow Outside: Cover seed.
Before last frost or in late autumn. Spacing 24 to 40 inches (60
to 100 cm). Sow Inside: Germination time: two weeks to three
months. Temperature 55 to 65°F (13 to 18°C). Seven or eight
weeks in advance. Transplant outdoors in spring or autumn.
Requirements: Full sunlight or light shade. Good drainage. Rich
loam for best results. Drought tolerant. Cut back to the ground
in autumn. Use slug repellent