Geraniaceae
Oregon geranium
Geranium oreganum
- Family
- Geraniaceae
- Genus
- Geranium
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Common names
By language (1)
- English
- Oregon geranium
Synonyms
- Geranium albiflorum var. incisum Torr. & A.Gray
- Geranium canum Rydb.
- Geranium erianthum Lindl. ex B.D.Jacks.
- Geranium erianthum Torr. ex R.Knuth
- Geranium fremontii Macoun ex R.Knuth
- Geranium hookerianum var. incisum (Torr. & A.Gray) Walp.
- Geranium incisum Howell
- Geranium incisum (Nutt. ex Torr. & A.Gray) Howell
- Geranium incisum Nutt. ex Torr. & A.Gray
- Geranium viscosissimum var. incisum (Torr. & A.Gray) N.H.Holmgren
Flowers
- In flower
- May to June (from 70 flowering iNaturalist observations worldwide)
- Flower colour
- purple (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Plant problems
Photos
FlowerPhoto: Ed Alverson, CC BY 4.0, from iNaturalist 
FlowerPhoto: Ed Alverson, CC BY 4.0, from iNaturalist 
FlowerPhoto: Annie Kreager, CC BY 4.0, from iNaturalist 
FlowerPhoto: Gail A Baker, CC BY 4.0, from iNaturalist 
Photo: Dianne Fristrom, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Ed Alverson, CC BY 4.0, from iNaturalist 
Photo: Gail A Baker, CC BY 4.0, from iNaturalist 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Kieran Hanrahan, CC BY 4.0, from iNaturalist 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Daniel Kennedy, CC BY 4.0, from iNaturalist 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
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- Cutleaf geraniumGeranium dissectumGeraniaceae
- Small-flowered crane's-billGeranium pusillumGeraniaceae
- Shining geraniumGeranium lucidumGeraniaceae
- CranesbillGeranium macrorrhizumGeraniaceae
- Hedgerow geraniumGeranium pyrenaicumGeraniaceae
- Longstalk cranesbillGeranium columbinumGeraniaceae
- Black widowGeranium phaeumGeraniaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.