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Japanese Brome
Photo Credit: Nicole Kimmel, Alberta Agriculture & Forestry

Common Name: Japanese Brome

Scientific Name: Bromus japonicus

Habitat: grassland, disturbed areas

Provincial Designation: Noxious

Noxious weeds are plant species that are designated as "noxious weeds" in the Alberta weed regulation. Noxious weeds must be controlled, meaning their growth or spread needs to be prevented.


Japanese brome originates from Pakistan, central Europe and Eastern Japan.

Legislated Because

Japanese brome outcompetes native vegetation and can slow down succession on reclamation sites.


This invasive grass can grow up to 90 cm. Japanese brome flowers are drooping and one-sided. The awns are 8-10 mm long and are sometimes bent at full maturity.

The first glume has three nerves. The grass is usually covered with hairs with the exception of the main stem within the panicle.

This grass is very similar to downy brome.

Learn more about this species:

See Fact Sheets - Alberta Invasive Species Council

For More Information

Weed Management


In Edmonton: 311

Outside Edmonton: 780-442-5311


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