How much sun does Mount Diablo manzanita need?

Mount Diablo manzanita grows best in full sun conditions.

When does Mount Diablo manzanita bloom?

Mount Diablo manzanita blooms in January, February, and March.

Where is Mount Diablo manzanita native?

Mount Diablo manzanita (Arctostaphylos auriculata) is native to CA, per the World Checklist of Vascular Plants (Kew).

What pollinators does Mount Diablo manzanita attract?

Mount Diablo manzanita draws bees and hummingbirds.

Mount Diablo manzanita

Name: Pollinator Patch
Author: Pollinator Patch

Arctostaphylos auriculata

Last reviewed: October 2026

Mount Diablo manzanita (Arctostaphylos auriculata) is a perennial shrub native to CA. It blooms in January, February, and March. The flowers draw bees and hummingbirds.

Toxicity unknown

Mount Diablo manzanita (Arctostaphylos auriculata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

36"–96" H × 48"–96" W

Bloom

Jan, Feb, Mar

Native to

Pollinators

bees, hummingbirds

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Browse plants for this ecoregion

Central California Foothills and Coastal Mountains

A manzanita with smooth reddish-brown bark and gray-green, clasping leaves, forming a dense upright shrub. Small urn-shaped white flowers appear in winter clusters.

Growing Mount Diablo manzanita

Grow Mount Diablo manzanita in full sun and low water. Mature plants reach 36 to 96 inches tall and spread 48 to 96 inches wide.

Wildlife value

Winter flowers are an important early-season nectar source for native bees, and the small berries feed birds.

Common questions

How much sun does Mount Diablo manzanita need?: Mount Diablo manzanita grows best in full sun conditions.
When does Mount Diablo manzanita bloom?: Mount Diablo manzanita blooms in January, February, and March.
Where is Mount Diablo manzanita native?: Mount Diablo manzanita (Arctostaphylos auriculata) is native to CA, per the World Checklist of Vascular Plants (Kew).
What pollinators does Mount Diablo manzanita attract?: Mount Diablo manzanita draws bees and hummingbirds.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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