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Blackjack Oak Quercus marilandica . Garden of the Gods, Shawnee National Forest, Illinois, USA.

Photo: Jason Sturner (CC BY 2.0), via Wikimedia Commons

Desert & drylandlow water

Blackjack Oak

Quercus marilandica

Blackjack Oak (Quercus marilandica) is a landscape plant valued for its form and structure as much as its bloom. It reaches roughly 25 ft at maturity and blooms in mid spring. Match it to full sun to part shade and let it go dry between waterings once it is established. One caveat: like any plant, its published range is a guideline, not a guarantee, for the specific microclimate of your yard. Given a spot that matches its light and water needs, it is a dependable, low-drama addition to the yard.

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Hardiness range

A hardiness zone is not on file for this plant yet, and a ZIP-level fit check is not available for it.

How it does in your yard

HabitNot recorded
Hardiness zoneNot recorded
Mature heightAbout 25 ft
Waterlow
Bloom periodMid Spring
Native to the USNot recorded
Toxicitynone

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Questions

Is Blackjack Oak native to the United States?

USDA PLANTS data does not record Blackjack Oak as native to the United States.

What USDA hardiness zone does Blackjack Oak need?

A minimum hardiness zone is not on file for Blackjack Oak yet.