Home Plant List Photo Gallery Calendar Contact Us Pricing Suggested Reading	Isatis tinctoria Woad A good blue dye plant for growing in cooler climates where Indigo will not have a long enough growing season. Leaves of 24 plants can dye 4 ounces of wool. Full sun. Biennial. Z3-8 $2.50(2")	Galium verum Indigofera tinctoria Isatis tinctoria Polygonum tinctorium Reseda luteola Rubia tinctoria