Isatis tinctoria - Brassicaceae Family - Winter annual, biennial, or short-lived perennial
Prevention (Prev) Monitor and destroy new plants before seed production.
Mechanical (Mech) Hand pulling, digging, cutting, mowing and tilling.
Cultural (Cult) Biological control agents, livestock grazing, and revegetation practices.
Chemical (Chem) Selective herbicides based on the plant and the specific location. Check our weed fact sheets for specific control information.
Dyer's woad: plants
Dyer's woad: seedlings
Dyer's woad: green seed pods
Dyer's woad: infestation
Dyer's woad: flowers
Dyer's woad: foliage
Dyer's woad: flowers and seed pods
Top: flowers, Middle: green seed pods, Bottom:mature seed pods
Department of Food and Agriculture Plant Health & Pest Prevention Services.
Dyer’s woad. Retrieved from https://www.cdfa.ca.gov/plant/ipc/encycloweedia/weedinfo/isatis.htm
of California Statewide Integrated Pest Management Program. (2017, September). Dyer’s woad. Retrieved from http://ipm.ucanr.edu/PMG/PESTNOTES/pn74175.html
State Noxious Weed Control Board. Dyer’s
woad. Retrieved from https://www.nwcb.wa.gov/weeds/dyers-woad
(2009). Isatis tinctoria. Fire
Effects Information System. Retrieved from https://www.fs.fed.us/database/feis/plants/forb/isatin/all.html