Hansen's Northwest Native Plant Database

Rubus ursinus (Pacific Blackberry)


 Plantae Plants


 Tracheobionta Vascular plants


 Spermatophyta Seed plants


 Magnoliophyta Flowering plants


 Magnoliopsida Dicotyledons






 Rosaceae Rose family


 Rubus L. blackberry


 Rubus ursinus Cham. & Schltdl. California blackberry

A small bramble shrub, this is the only native blackberry in the Pacific northwest.

It occurs from Baja, California, to BC and east to Idaho, USDA zones 5-10.

It does well with small amounts of irrigation and thrives everywhere from sun to full shade.

Many claim that its small black berries are the tastiest blackberries - wonderful pies!

Pacific Northwest Native Blackberries vs. Himalayan Blackberries and Evergreen Blackberries
Rubus ursinus (California blackberry/dewberry, Douglas berry, Pacific blackberry/dewberry). Native to western North America. Wide, spreading shrub with prickly branches that can tip layer to spread vegetatively. White flowers may be distinguished from those of other blackberries by their narrow petals. Sweet, very aromatic, edible fruits are dark purple to black and up to 2 centimeters in length.
Rubus laciniatus, Cutleaf Evergreen Blackberry or Evergreen Blackberry. Native to Europe, now invasive species in the United States. Deciduous, bramble-forming shrub with prickly shoots. Leaves are palmately compound, five leaflets divided into deeply toothed subleaflets, jagged, thorny tips. Flowers have pink or white petals. Fruits are similar to the common blackberry, with a unique, fruitier flavour.
Rubus armeniacus (syn. Rubus discolor) Himalayan Blackberry.  Introduced to America in 1800s as a cultivated crop. Birds/other animals eat berries, spread the seeds. Perennial with biennial stems. First year leaves are 720 cm long, palmately compound with five leaflets. Second year, stem does not grow longer, but produces side shoots, with smaller leaves, oval-acute, dark green above and pale to whitish below,toothed margin three leaflets and thorns along the midrib on the underside. Flowers on second-year side shoots, five white or pale pink petals..Fruit 1.22 cm diameter, ripening black or dark purple.
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