Willow oak (Quercus phellos) is a medium to large deciduous oak native to the southeastern United States, prized for its narrow, willow-like leaves and notably fast growth rate among oaks. Growing 40 to 75 feet tall and 25 to 50 feet wide, this red oak group member thrives in hardiness zones 5 through 9 and adapts remarkably well to both wet bottomlands and urban streets. Its slender foliage and low maintenance needs make it an elegant choice for gardeners seeking a long-lived shade tree that handles clay soils and wet conditions without complaint.
Full Sun
Moderate
5-9
900in H x 600in W
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Low
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The willow oak's finely textured, narrow leaves set it apart immediately from its heavier-lobed oak cousins, creating an almost delicate appearance that belies its tough constitution. Native to floodplains and swamps across the Southeast and Appalachians, this tree evolved to handle the wet, often poorly drained soils that challenge many ornamentals. It grows faster than typical oaks while maintaining excellent pest and disease resistance, making it a remarkably low-maintenance choice for difficult sites.
Willow oak serves as an excellent shade tree for residential landscapes, a street tree in urban settings where it tolerates pollution well, and a stabilizing presence in rain gardens where its ability to handle wet soil becomes an asset rather than a liability. Its native range and adapted vigor make it particularly valuable for ecological landscaping in the Southeast and Mid-Atlantic regions.
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“Willow oak is native to the southeastern United States, where it grows naturally in bottomlands, floodplains, and along rivers and streams from Long Island south through the Coastal Plain and north into the southern Appalachians and Ozarks. Its narrow leaves and rapid growth earned it a place in American landscapes long before modern horticulture formalized its cultivation. For gardeners planting in the northern reaches of its range (zone 5), sourcing trees or seeds from northern populations ensures better cold hardiness and adaptation to local conditions.”