Post Oak
Quercus stellata
Last reviewed: June 2026
Post Oak (Quercus stellata) 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
360"–720" H × 360"–720" W
Bloom
Apr, May
Native to
AL, AR, CT, DE and 24 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
Post oak is a slow-growing, drought-tolerant native tree with distinctive cross-shaped leaves that turn yellow to brown in fall. It develops a broad, rounded crown and rugged bark, making it an excellent shade tree for dry sites.
In an HOA neighborhood
Post Oak is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, street edge, mid zone.
- Very large mature size may overwhelm smaller properties
- Slow growth means limited immediate impact
Wildlife value
Host plant for hairstreak butterflies, duskywing skippers.
This oak supports over 500 species of butterflies and moths as caterpillar host plant, while its acorns feed squirrels, deer, and many bird species. Spring flowers attract bees and beetles for pollination.
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 Post Oak fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.