Post Oak is a medium-sized, slow-growing oak of dry upland forests from New England to Texas, easily identified by its distinctive cross-shaped leaves. It is a fire-tolerant species that forms open, park-like woodlands on rocky and sandy ridges. It co-dominates blackjack oak woodlands known as 'Cross Timbers' in Texas and Oklahoma.
Best time to see a Post Oak
The best time to see a Post Oak is April–September, when about 65% of U.S. sightings happen, based on 15,168 research-grade iNaturalist observations.
Not certain it is a Post Oak? What plant is this? walks through what to check first and the lookalikes that catch people out.
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