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Pennsylvania Blackberry

Rubus pensilvanicus

Last reviewed: June 2026

Pennsylvania Blackberry (Rubus pensilvanicus)
Photo: (c) Dan Vickers, some rights reserved (CC BY), uploaded by Dan Vickers

Light

part sun

Water

medium

Size

24"–72" H × 24"–72" W

Bloom

May, Jun, Jul

Native to

AL, AR, CT, DE and 31 more states

Pollinators

bees, beetles, flies

Pennsylvania blackberry is a native shrub that produces white flowers in late spring and summer, followed by edible dark berries. This deciduous plant spreads by underground runners and can form colonies over time, making it useful for naturalizing areas.

In an HOA neighborhood

Pennsylvania Blackberry takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Spreads aggressively and can look unruly
  • Thorny canes may be considered unsafe
  • Natural growth habit appears wild and unkempt

Wildlife value

Host plant for spring azure, mourning cloak.

The flowers attract bees, beetles, and flies during the long blooming period from May through July. Birds and small mammals enjoy the nutritious berries in late summer.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Pennsylvania Blackberry fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.