Department Header For Noxious Weed Division
Yellowstone County, Montana
Noxious Weed
Weed Information Contact Department

Scotch Broom
(Cytisus scoparius)


Scotch Broom

Photo from Weeds of the West, revised ed.

Scotch Broom Toxic

Scotch Broom Rosette

Scotch Broom Stem

Scotch Broom Leaf

Scotch Broom Bloom

Scotch Broom Fruit

Photos from Montana Weed Control Association

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.

Video Supplied By Montana Weed Control Association