Blackberry (Himalayan & Cutleaf)

Himalayan Blackberry - A rambling, evergreen, perennial, woody shrub with stout, hook-thorned stems.

Leaves: Leaves are palmately compounded with 3-5 leaflets (5 is most common). Leaves have slightly toothed margins.

Flowers: Flowers bloom from May-August. Flower clusters generally have between 5-20 flowers that have 5 petals and are white to rose in color.

Habitat: Grows in a variety of habitats including forests, roadsides, railroad tracks, logged lands, field margins, and riparian areas.

Weed Classification: C

Why is it a Noxious Weed?

Himalayan Blackberry is very hard to control after a serious infestation has grown in. Creates impenetrable thickets.

Cutleaf Blackberry - Upright to rambling evergreen, perennal, woody shrub with stout, hook-thorned stems.

Leaves: Leaves are palmately compounded with 5 leaflets that are very noticeably sharply divided, lobed, and toothed.

Flowers: Flowers bloom from June-August. Flower clusters have 5-20 flowers that have 5 petals and are white to dark pink in color.

Habitat: Grows in a variety of habitats including forests, roadsides, railroad tracks, logged lands, field margins, and riparian areas.

Weed Classification: C

Why is it a Noxious Weed?

Cutleaf Blackberry forms impenetrable thickets that block out sunlight and compete with native vegetation.

Both of these blackberries have similar habits even though they look quite different. If you need help with control or identification let us know!

Control Recommendations:

WA State Noxious Weed Control Board - Himalayan Blackberry

WA State Noxious Weed Control Board - Cutleaf Blackberry

UC Davis Weed Report