Cluster rose
Rosa pisocarpa
Last reviewed: October 2026
Cluster rose (Rosa pisocarpa) is a perennial shrub native to CA, OR, WA. It blooms in May, June, and July. The flowers draw bees.
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
Before you buy
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Browse plants for this ecoregion
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.
Growing Cluster rose
Grow Cluster rose in full sun and high water. Mature plants reach 36 to 72 inches tall and spread 36 to 72 inches wide.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Cluster rose? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.