Shumard Oak

Shade Trees

Southeast Coastal / Deep South

458 cities

Shumard Oak (Quercus shumardii) is a native red oak recognizable by its deeply cut leaves with pointed, bristle-tipped lobes and bark that develops flat-topped gray ridges as it ages. In fall, it puts on some of the best color of any oak in the Southeast, shifting from green to deep red or burnt orange. It earns its place as a long-term canopy tree, eventually shading out large portions of a yard and providing heavy acorn crops that attract deer, turkeys, and squirrels.

Lifespan

200 to 300 years under good growing conditions. Street trees or those in compacted, poorly drained soils often fall short of that, typically declining after 60 to 80 years.

Mature Size

40 to 60 feet tall with a roughly equal spread, though trees in open, ideal conditions occasionally reach 70 to 80 feet. Give it room. Planting one 15 feet from a foundation is a decision the next owner will regret.

Care & Maintenance

Plant it in full sun with well-drained, slightly acidic soil. It handles dry summers better than water oak or willow oak once the root system is established, which takes about three to five years. Go easy on nitrogen fertilizer. High-nitrogen applications push fast, soft growth that makes the tree more attractive to boring insects and aphids.

Common Issues & Threats

Hypoxylon canker (Hypoxylon atropunctatum): This is the one that scares arborists in the Southeast. It shows up as patches of silvery or tan outer bark that sloughs off, revealing a brown, powdery layer underneath. By the time you see it, the tree is usually already in serious decline from prior stress like drought or root damage. There is no treatment.
Two-lined chestnut borer (Agrilus bilineatus): This borer targets oaks that are already stressed. The first sign is dieback starting in the upper canopy, and if you peel back the bark you will find S-shaped feeding galleries underneath. The insect is the symptom, not the cause. Fix the underlying stress first.
Oak lace bugs (Corythucha arcuata): These cause stippled, pale, almost bronzed-looking foliage by midsummer. Most homeowners assume drought or disease. They are a real pest but rarely fatal. Healthy trees in good soil usually outgrow the damage season to season.

Pruning Guide

In the Southeast, time your pruning to avoid the window from roughly March through June when sap beetles that spread oak wilt are most active. Winter dormancy or mid-July through August are the safer windows. Always cut back to the branch collar, not flush to the trunk and not leaving a stub. Wound sealants are not proven to help and are generally not worth the effort on routine cuts.

Did You Know?

Shumard Oak is in the red oak group, which means its acorns take two growing seasons to mature. The acorns you are raking in October were actually pollinated the spring before last. Most people get this wrong and assume one season of stress explains a poor acorn crop, when the cause might be weather conditions from 18 months prior. These trees can also live 200 to 300 years, and their root systems often spread two to three times beyond the canopy edge, which matters enormously if you are planning construction, adding pavement, or trenching anywhere near an established tree.

Where Shumard Oak Is Found

Shumard Oak is common in 458 of the US communities we cover, across 1 climate regions.

Hardiness Zones 1-9

Doral, FL Zone 11a Greenville, SC Zone 8a Weston, FL Zone 10b Alpharetta, GA Zone 8a Apex, NC Zone 8a Leander, TX Zone 9a Wellington, FL Zone 10b Jupiter, FL Zone 10b The Hammocks, FL Zone 10b Palm Beach Gardens, FL Zone 10b Chapel Hill, NC Zone 8a Horizon West, FL Zone 10a

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