Species PlantsCutleaf Blackberry

Cutleaf Blackberry

Rubus laciniatus

CommonPlant
Illustration of Cutleaf Blackberry (Rubus laciniatus)

Cutleaf Blackberry is a European introduction naturalized across much of the Pacific Coast and parts of the eastern United States, immediately recognizable by its deeply dissected, fernlike leaflets that set it apart from other brambles. It is a vigorous, invasive scrambler that forms dense impenetrable thickets on roadsides, disturbed ground, and forest margins. Despite its invasive status, it produces abundant, large, sweet-tart berries that are eagerly consumed by wildlife and human foragers alike. It is especially abundant in the Pacific Northwest, where it often grows alongside the even more aggressive Himalayan Blackberry.

Habitat
Disturbed forest edges, roadsides, stream banks, and open waste ground along the Pacific Coast and scattered eastern sites.
Diet
Abundant berries consumed by American Robins, Black Bears, Coyotes, and Raccoons; flowers attract bumble bees and honeybees.
How common
Common

Best time to see a Cutleaf Blackberry

The best time to see a Cutleaf Blackberry is April–August, when about 63% of U.S. sightings happen, based on 6,010 research-grade iNaturalist observations.

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