The Mission of the Yellowstone County Weed Department is to assist the public, private, and other government agencies to manage and control existing noxious weed infestations as well as to prevent new invasive species from infesting Yellowstone County.
Photos from Montana Weed Control Association
Video Supplied By Ravalli County Weed District
Attribute | Description |
---|---|
Toxicity | Suspected to be toxic to some animals if large quantities are ingested. |
Growth Habit | Perennial, often over 3 ft. tall, erect. |
Leaves | Light green, alternate, broad, heart shaped, clasping the stem. |
Stem | Branching, light green, smooth and leafy. |
Flower | Snapdragon type, bright yellow, tinged with orange, with a ½" long spur, born in upper leaf axils. |
Roots | Vigorous, deep and extensive, creeping roots. |
Seeds | Numerous, irregularly angled. |
Reproduction | Spread by seed and creeping roots. |
Biological Controls | Toadflax Flower-Feeding Beetle, Toadflax Capsule Weevil, Toadflax Moth. |
Herbicides | Tordon, Escort, Telar. |