How much sun does Cluster rose need?

Cluster rose grows best in full sun conditions.

When does Cluster rose bloom?

Cluster rose blooms in May, June, and July.

Where is Cluster rose native?

Cluster rose (Rosa pisocarpa) is native to CA, OR, WA, per vouchered herbarium specimen records and regional native plant society lists.

Cluster rose

Name: Pollinator Patch
Author: Pollinator Patch

Rosa pisocarpa

Last reviewed: September 2026

Cluster rose (Rosa pisocarpa) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-08-15). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

high

Size

36"–72" H × 36"–72" W

Bloom

May, Jun, Jul

Native to

CA, OR, WA

Pollinators

bees

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Browse plants for this ecoregion

Coast Range Puget Lowland Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains North American Deserts

Clustered wild rose is a thorny, suckering deciduous shrub with clusters of pink single flowers in late spring, followed by small red hips. It forms dense thickets along stream edges and other moist ground.

Wildlife value

The flowers attract bees, and the persistent hips are an important winter food source for birds.

Common questions

How much sun does Cluster rose need?: Cluster rose grows best in full sun conditions.
When does Cluster rose bloom?: Cluster rose blooms in May, June, and July.
Where is Cluster rose native?: Cluster rose (Rosa pisocarpa) is native to CA, OR, WA, per vouchered herbarium specimen records and regional native plant society lists.
Is Cluster rose toxic to dogs?: Cluster rose is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
Is Cluster rose toxic to cats?: Cluster rose is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
What pollinators does Cluster rose attract?: Cluster rose draws bees.

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.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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