Western Geranium (Geranium oreganum). One of 100+ species of Pacific Northwest native plants available at Sparrowhawk Native Plants, Native Plant Nursery in Portland, Oregon.
Western Geranium (Geranium oreganum). One of 100+ species of Pacific Northwest native plants available at Sparrowhawk Native Plants, Native Plant Nursery in Portland, Oregon.

Western Geranium

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Geranium oreganum

Western or Oregon Geranium is a sweet, easy to grow perennial with abundantly-blooming, delicate pink flowers. It is a wonderful native alternative to the plethora of ornamental varieties of Geranium. Like its ornamental cousins, Western Geranium eventually forms dense patches of profusely blooming foliage and is a classy and carefree choice for woodland gardens with plenty of dappled sunlight.

  • Plant type/canopy layer: deciduous, perennial, herbaceous plant
  • Size at maturity: 18-30" tall, 6-18" wide
  • Light requirements: full sun, part sun / part shade
  • Moisture requirements: moist to dry soil
  • Bloom time: May - July
  • Growth rate/ease: fast growth rate and easy to grow
  • Wildlife support: nectar source for adult butterflies, bees and other insect pollinators, caterpillar host plant and larval food source
  • Native habitat/range: Uncommon in meadows and west-side forests, oak woodlands, and open prairies west of the Cascade Mountains from near sea level to 1800m, mainly in Oregon, although found in a few places in Washington, California and Montana. Portland Plant List - no. 
  • Special features & uses: meadowscapes, pollinator gardens, woodland gardens 

Gardening with Western Geranium: Western Geranium is easy to establish and brings quick rewards to even the most novice of gardeners. It prefers areas with dappled light and moist, well-drained soils. Provide these simple conditions and this plant will bring perennial delight.  

Photo Credit 1: "File:Geranium oreganum.jpeg" by Dianne Fristrom is licensed under CC BY-SA 3.0

Photo Credit 2: Seven Oaks Native Nursery