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Bear Oak

Quercus ilicifolia

Last reviewed: June 2026

Bear Oak (Quercus ilicifolia)
Photo: Richtid / Wikimedia Commons (CC BY-SA 3.0)

Bear Oak (Quercus ilicifolia) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

240"–480" H × 240"–480" W

Bloom

Apr, May, Jun

Native to

CT, DE, KY, MA and 11 more states

Pollinators

bees, beetles

Bear oak is a small to medium-sized deciduous oak tree native to eastern North America. It typically grows 20-40 feet tall with an equal spread, forming a rounded crown. This oak produces spring flowers followed by small acorns and turns attractive fall colors.

In an HOA neighborhood

Bear Oak takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Irregular growth habit appears unkempt
  • Large mature size may overwhelm typical residential lots
  • Natural scrubby appearance conflicts with formal landscaping expectations

Wildlife value

Host plant for white-M hairstreak, oak hairstreak.

Supports bees and beetles during its spring bloom period. As an oak species, it also provides acorns for wildlife and serves as a host plant for numerous moth and butterfly caterpillars.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Bear Oak fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.