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Scotch Broom

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Scotch Broom
Scientific Name:
Cytisus scoparius (L.) Link (ITIS)
Common Name:
Scotch broom, broomtops, common broom, European broom, Irish broom, English broom
Scotch broom, foliage in Alaska - Photo by Tom Heutte; USDA, Forest Service
Native To:
Europe and North Africa (Zouhar 2005)
Date of U.S. Introduction:
1800s (Zouhar 2005)
Means of Introduction:
Introduced as an ornamental or possibly as livestock fodder (Mack 2003; Zouhar 2005)
Forms dense stands which crowd out native species and destroy wildlife habitat (Zouhar 2005)

Distribution/Maps/Survey Status



Selected Resources

The section below contains selected highly relevant resources for this species, organized by source. To view all related content for this species, click on "View all resources for species" in the top left of this page.

Council or Task Force

California Invasive Plant Council.

In online book: Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA
Washington State Recreation and Conservation Office. Washington Invasive Species Council.


University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
IUCN. Species Survival Commission. Invasive Species Specialist Group.
University of Georgia. Center for Invasive Species and Ecosystem Health.
University of Georgia. Center for Invasive Species and Ecosystem Health.
USDA. FS. Institute of Pacific Islands Forestry.

Federal Government

DOI. NPS. Science of the American Southwest.
See also: Invasive Plant Species for more fact sheets
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.
USDA. NRCS. National Plant Data Center.
USDA. ARS. National Genetic Resources Program. GRIN-Global.

International Government

Victoria Department of Jobs, Precincts and Regions (Australia). Agriculture.
Australian Government. Department of the Environment and Energy.
Designated Weed of National Significance

State and Local Government

Plumas-Sierra Noxious Weeds Management Group (California).
See also: Agricultural Brochures for more species
Washington State Noxious Weed Control Board.
California Department of Food and Agriculture.
See also: Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources

Thurston County Public Health and Social Services (Washington). Environmental Health.

See also: IPM for Homeowners & Land Managers for more species
King County Department of Natural Resources (Washington). Water and Land Resources Division.

Wisconsin Department of Natural Resources.


Montana State University Extension.
Columbia University. Center for Environmental Research and Conservation.
University of California. Statewide Integrated Pest Management Program.
See also: Pest Notes are peer-reviewed scientific publications about specific pests or pest management topics, directed at California's home and landscape audiences.
University of Idaho; Oregon State University; Washington State University. Pacific Northwest Extension.
University of California. Weed Research and Information Center.
See also: Weeds in Natural Areas for more information sheets


Montana Weed Control Association.