Chestnut Oak is a medium to large deciduous tree native to the wooded slopes and dry upland areas from Maine to Alabama, prized for its ability to thrive where many oaks struggle. Growing 50 to 70 feet tall, occasionally reaching 100 feet, it develops a graceful rounded crown and adapts readily to poor, rocky soils while preferring rich, well-drained loams. Hardy in zones 4 through 8 and remarkably drought tolerant, this white oak group member serves as both a dependable shade tree and street tree, requiring minimal maintenance once established. Its insignificant yellowish-green flowers give way to showy acorns, and the tree earns its common names, basket oak, rock oak, and rock chestnut oak, from its ecological preferences and historical uses.
Full Sun
Moderate
4-8
840in H x 840in W
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Low
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Chestnut oak thrives in the difficult sites where other oaks falter, from rocky slopes to dry, poor soils, making it an excellent choice for challenging landscapes. Its proven drought tolerance and adaptability to wide-ranging soil conditions, combined with low maintenance requirements and impressive longevity, mean you're planting a tree that will thrive with minimal intervention. The rounded crown provides substantial shade, while the showy acorns add seasonal interest and feed wildlife.
Chestnut oak functions as both a shade tree and street tree, offering substantial canopy coverage and erosion control on difficult sites. Its tolerance for poor, rocky soils and drought conditions makes it particularly valuable for slope stabilization, windbreaks, and landscape plantings where conventional trees struggle.
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“Chestnut oak is native across a broad swath of eastern North America, from Maine and Indiana south to South Carolina and Alabama, where it naturally inhabits the wooded slopes and dry upland areas least suitable for other oaks. Its common names reflect both its appearance and practical history: the heavy, dense wood and distinctive bark resembled chestnut wood to early settlers, while the tree's association with rocky, poor soils earned it the name rock oak. The tree has long been valued by foresters and land stewards for its ability to establish and flourish on marginal lands where timber production seemed impossible.”