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Arctostaphylos osoensis
Oso manzanita is a spreading evergreen shrub, endemic to San Luis Obispo County, California, known from only two occurrences and growing only on volcanic dacite soils. It is rarely grown in gardens, and success depends on giving it the sharp drainage and dry summers of its native habitat.
Arctostaphylos osoensis is a species of manzanita known by the common name Oso manzanita. It is endemic to San Luis Obispo County, California, where it is known from only two occurrences on the northern edge of the Los Osos Valley. It grows exclusively on volcanic dacite from the Morro Rock-Islay Hill Complex associated with the Nine Sisters.
Santa Cruz manzanita · Mt. Diablo manzanita · Baker's manzanita · Cerro Bola manzanita · Hoary manzanita · Santa Catalina Island manzanita · Hairy manzanita · Santa Rosa Island manzanita · Brittleleaf Manzanita · La Cruz manzanita · Vine Hill manzanita · Little Sur manzanita
Text excerpted from the Wikipedia article Arctostaphylos osoensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
