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Ohlone manzanita

Arctostaphylos ohloneana

Ohlone manzanita
Photo: Themodoccypress, CC BY-SA 3.0

Ohlone manzanita is a rare, endangered shrub endemic to northwest Santa Cruz County, California, known from only four populations on Ben Lomond Mountain, with an estimated 100 individuals. It is grown mainly for conservation and native-plant collections, and is best given full sun or part shade in very well-drained soil.

Family
Ericaceae (Heather family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water sparingly once established; allow soil to dry out between waterings and avoid summer irrigation in the ground.
Soil
Very well-drained, gritty mix; tolerates poor, rocky or siliceous soils.
Temperature
Mild Mediterranean-type climate; tolerates cool winters but protect from hard frost.
How easy
Hard
Native range
California (N. Santa Cruz Co.)
Climate
subtropical

About

Arctostaphylos ohloneana is a rare species of manzanita known by the common name Ohlone manzanita, in the Santa Cruz Mountains in California. It takes its name after the native American Ohlone people who settled along the California coast between San Francisco and Santa Cruz. It is endemic to northwest Santa Cruz County, where it is known only from four populations on Ben Lomond Mountain, just south of Big Basin Redwoods State Park.

It was discovered in the 1980s by botanists James A. West and Randall Morgan among other manzanita species on the mountain and it was described to science in 2008. There are an estimated 100 individuals in existence.

Where it grows

Arctostaphylos ohloneana occurs in maritime chaparral and oak and pine forest habitat on whitish soils of siliceous shale origin. The plants all occur on land owned by Lockheed Martin. Typically found in elevation of about 400-500m

Other Arctostaphylos plants

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 ohloneana 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.

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