Isatis tinctoria, also called woad, dyer's woad, dyer's-weed, or glastum, is a flowering plant in the family Brassicaceae with a documented history of use as a blue dye and medicinal plant. Woadseeds can be planted in a flower patch at level 25 Farming to yield woad leaves, which are used to make blue dye and, by extension, green and purple dye. Growing woad from seeds.PlantingWoadSeedlingsWoadseedlings The seedlings are transplanted a foot apart when they are large enough to handle. PlantingWoadSeeds in the Garden. Plantingwoadseeds is the most common method of propagating this biennial. I find that the seeds germinate best if not planted too deeply, about 1/2 inch, though I’ve seen a planting depth of 2-3 inches recommended. Woad likes full sun. I have only ever needed to buy Woadseeds once. The plants produce thousands of seeds which will spread around the garden and germinate in mid to late summer. A horizontal image of the seed heads of a woadplant (Isatis tinctoria) in fall. To harvest, take one of the long seed stalks and rub it between your palms. Seed Needs Common Valerian Seeds for Planting - Non-GMO, Heirloom & Untreated Perennial Medicinal Herb - Organically Grow a Home Grown Herb Garden (2 Packs). Growing woad from seeds. The seed is sown thinly spaced in March, in shallow drills or in seed trays, just covering the seed.Plantingwoadseedlings. Outdoors-in the ground:Plant dyer's woad in a space where it can spread out, as this herbaceous species tends to self-seed and expand over time. Woad is on my long list of plants to try growing this year. I'm not sure that I'll be buying seeds for it, as I have so many other things I want to try, but I am definitely interested in woad. Woad coming in to flower. Woad (istasis tinctoria) is a biannual brassica. The leaves contain the precursors for indigo.Drawing with woadseed pigment and coreopsis ink. Discover the finest selection of organic seeds for planting at WOADSeeds. Explore our extensive range of premium quality seeds, including heirloom tomatoes, basil, carrots, and more. You can mow woadplants down for a temporary fix, but since they self-seed, your woad will probably sprout back before long. A rust fungus is being investigated as a biological method of...