species 5,849 observations
Hairy Manzanita
Arctostaphylos columbiana
Field notes
Arctostaphylos columbiana is a species of manzanita known by the common name hairy manzanita. It is native to the coast of western North America from northern California to southwestern British Columbia. This large manzanita is a shrub or small tree, usually 1–5 meters tall. It is erect with hairy branches. The leaves are oval-shaped and are usually 2-6 centimeters long and 2-3 wide, pale bluish green, fuzzy on both surfaces, occasionally glandular. The small, white, urn-shaped flowers are borne in bunched inflorescences. The fruit is a red drupe about a centimeter in diameter. The seed requires either fire or consumption by animals in order for germination to occur. This manzanita grows in open, rocky areas. It is sometimes grown as a garden ornamental. Hybrids with Arctostaphylos uva-ursi (named Arctostaphylos x media) commonly occur where the two parent species grow in proximity.
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Caterpillars
Moths and butterflies raised on it



Mesogona Rubra, Phyllonorycter manzanita, Madrone Skin Miner, Brown Elfin
18
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Specialist bees
Bees whose young are raised on the pollen of it

Blueberry Mason Bee, Andrena principalis 2
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Plant eaters
Animals that feed on it



Manzanita Leafgall Aphid, Tamalia glaucensis, Band-tailed Pigeon, Northern Sickleleg
9
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Flower visitors
Pollinators and other flower visitors



Black-tailed Bumble Bee, Yellow-faced Bumble Bee, Blue Orchard Bee, Greater Bee Fly
42
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Trees
- Light
- Full sun Part shade Full shade
- Water use
- Low
- Soil pH
- Acid
- Drought tolerant
- Yes
From the Lady Bird Johnson Wildflower Center and USDA PLANTS.