Mount Diablo manzanita
Arctostaphylos auriculata
Last reviewed: September 2026
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
CA
Pollinators
bees, hummingbirds
Before you buy
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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.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Mount Diablo manzanita? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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