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Pennsylvania Blackberry

Rubus pensilvanicus

Last reviewed: August 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 29 more states

Pollinators

bees, beetles, flies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 432 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

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.

Common questions

How much sun does Pennsylvania Blackberry need?
Pennsylvania Blackberry grows best in part sun conditions.
When does Pennsylvania Blackberry bloom?
Pennsylvania Blackberry blooms in May, June, and July.
Where is Pennsylvania Blackberry native?
Pennsylvania Blackberry (Rubus pensilvanicus) is native to AL, AR, CT, DE and 29 more states, per vouchered herbarium specimen records and regional native plant society lists.
What butterflies or moths does Pennsylvania Blackberry host?
Pennsylvania Blackberry is a larval host plant for spring azure and mourning cloak.
Is Pennsylvania Blackberry HOA-friendly?
Pennsylvania Blackberry takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Pennsylvania Blackberry? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz