200 Great BURDOCK Arctium Lappa (Edible Burdock / Cockle-Button / Beggar's Buttons) HERB Flower Seeds BLOOM TIME: Spring - Mid Summer HARDINESS ZONE: 2- 10 (and reseeds itself easily) PLANT HEIGHT: 36 - 48" . . . PLANT SPACING: 36 - 48" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average Blue-Violet to Fuchsia (Reddish Purple). Burdock has many herbal, medicinal, and culinary uses. The leaves are used in salads and to make tea. The roots are edible and the dried roots take like artichokes, and the stalks can be eaten like celery. The plants also attract bees, birds, and butterflies.