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.

Scotch BroomCytisus scoparius

Photo from Weeds of the West, revised ed.

Toxic

Rosette

Stem

Leaf

Bloom

Fruit

Photos from Montana Weed Control Association

Video Supplied By Montana Weed Control Association

Attribute	Description
Toxic	Seeds toxic to humans and livestock.
Growth Habit	Perennial, erect, woody shrub grows up to 10 feet tall.
Leaves	Three parted leaves with smooth leaf margins.
Stem	Dark green with angled surfaces.
Flower	Numerous, large, showy yellow pea-like flowers.
Roots	Extensive
Seeds	Pea-like seeds in a brown to black flattened pod with white hairs on the margin.
Reproduction	By seed
Habitat	Widespread pest of the Pacific Coast, common in pastures, forests and wasteland.
Biological Controls	—
Herbicides	Glyphosate, 2,4 - D + Escort.