Saxifragaceae

Oregon coolwort

Sullivantia oregana S.Watson

Family: Saxifragaceae
Genus: Sullivantia

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Oregon coolwort (Sullivantia oregana) — FlowerPhoto: Kieran Hanrahan, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Oregon coolwort, Sullivantia

Flowers

In flower: June to July (from 5 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Kieran Hanrahan, CC BY 4.0, from iNaturalist
FlowerPhoto: Matt Berger, CC BY 4.0, from iNaturalist

More in Sullivantia

Hapeman's coolwortSullivantia hapemaniiSaxifragaceae
Sullivant's coolwortSullivantia sullivantiiSaxifragaceae
Sullivantia renifoliaSaxifragaceae

Sources: classification 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.