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Oregon geranium

Geranium oreganum

Last reviewed: September 2026

Oregon geranium (Geranium oreganum) is a perennial forb native to CA, OR, WA. It blooms in May, June, and July. The flowers draw bees.

Oregon geranium (Geranium oreganum)
Photo: (c) Ed Alverson, some rights reserved (CC BY)

Toxicity unknown

Oregon geranium (Geranium oreganum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

18"–30" H × 18"–24" W

Bloom

May, Jun, Jul

Native to

CA, OR, WA

Pollinators

bees

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 458 programs across 44 states, each with a link to the provider and the date we last checked it.

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A clump-forming perennial with deeply lobed leaves and large saucer-shaped pink-purple flowers in late spring. Foliage often takes on reddish tones in fall before dying back for winter.

Growing Oregon geranium

Grow Oregon geranium in part shade and medium water. Mature plants reach 18 to 30 inches tall and spread 18 to 24 inches wide.

Wildlife value

Flowers provide pollen and nectar for native bees through late spring and early summer.

Common questions

How much sun does Oregon geranium need?
Oregon geranium grows best in part shade conditions.
When does Oregon geranium bloom?
Oregon geranium blooms in May, June, and July.
Where is Oregon geranium native?
Oregon geranium (Geranium oreganum) is native to CA, OR, WA, per the World Checklist of Vascular Plants (Kew).
What pollinators does Oregon geranium attract?
Oregon geranium draws bees.

Native range data from the World Checklist of Vascular Plants (Kew). 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.

See all plant problem guides

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