Scrub oak
Quercus berberidifolia
Last reviewed: September 2026

Toxicity unknown
Scrub oak (Quercus berberidifolia) 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"–180" H × 60"–180" W
Bloom
Mar, Apr
Native to
CA
Pollinators
wind-pollinated
Before you buy
Your city may pay you to plant this
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A dense, evergreen scrub oak with small, holly-like spiny leaves, often forming thickets on dry rocky slopes. Can be shaped into a large shrub or allowed to form a small multi-trunked tree.
Wildlife value
Host plant for California sister butterfly.
Acorns feed birds and mammals, and the foliage hosts California sister butterfly caterpillars.
Common questions
- How much sun does Scrub oak need?
- Scrub oak grows best in full sun conditions.
- When does Scrub oak bloom?
- Scrub oak blooms in March and April.
- Where is Scrub oak native?
- Scrub oak (Quercus berberidifolia) is native to CA, per the World Checklist of Vascular Plants (Kew).
- What butterflies or moths does Scrub oak host?
- Scrub oak is a larval host plant for California sister butterfly.
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 Scrub oak? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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