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.
Photo from Weeds of the West, revised edition
Video Supplied By Montana Weed Control Association
Attribute | Description |
---|---|
Toxicity | Toxic to horses, cattle, sheep and goats. |
Growth Habit | Biennial, rosette formed on the ground the first year, flowering stalk elongates the second year. |
Leaves | Velvety to the touch, basal, broad lance-shaped. Upper is narrower, pointed, clasping stem. |
Stem | Heavy, erect, usually branched above, to 3 ft. tall. |
Flower | Dark red, rarely white, 1/4" diameter in terminal clusters. |
Roots | Taproot. |
Seeds | 4 flattened but-like nutlets, each 1/4" long with short barbed appendages. |
Reproduction | Seeds. |
Biological Controls | None used in Yellowstone County at this time. |
Herbicides | Escort. |