Weed Control

Scientific Name

Isatis tinctoria

Family

Brassicaceae

Life Cycle

Winter annual, biennial,
or short lived perennial

Noxious Weed Status

Listed Noxious in Utah

Plant Information

• Weber County
  Weed Abatement

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General Best Management Practices:

Contact your local weed control agency for site specific BMP's

• Awareness and early recognition are the best defense against future infestations.
• One of the simplest and most effective method of control is hand pulling.
• Plants must be bagged if no flowers are present and seedpods have formed.
• Herbicide application is most effective in the rosette stage (April), before plants flower (June — July).

Prevention (Prev) is always the best method. Monitor your land and destroy single plants before seed production to avoid costly expense.

Mechanical (Mech) and physical control methods include hand pulling, digging, cutting, mowing and tilling.

Cultural (Cult) control methods include biological control agents, livestock grazing, and revegetation practices.

Chemical (Chem) control methods include the use of selective site-specific herbicides. Always read and follow the label.

Identification and Control Links:

• Utah State University Extension, Weed Web:
• Weber County Weed Abatement (Chemical control)

Photo Source/Credits

1. Jackson Hole, Wyoming , Jim Gores, Teton County Weed & Pest
2. King County Noxious Weed Program