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Quercus nigra
Also called Possum Oak
Water oak is a medium-sized deciduous tree native to the eastern and south-central United States, grown mainly for wetland restoration and timber rather than as an ornamental. It thrives in moist, lowland soils but is relatively short-lived and does not tolerate shade.
Quercus nigra, the water oak, is an oak in the red oak group (Quercus sect. Lobatae), native to the eastern and south-central United States, found in all the coastal states from New Jersey to Texas, and inland as far as Oklahoma, Kentucky, and southern Missouri. It occurs in lowlands and up to 450 meters (1,480 feet) in elevation.
Other names include spotted oak, duck oak, punk oak, orange oak, and possum oak.
Water oak serves the same ecological role as weeping willow and other wetland trees. It is adapted to wet, swampy areas, such as along ponds and stream banks, but can also tolerate well-drained sites and even heavy, compacted soils. It grows in sandy soils, red clays, and old fields to the borders of swamps, streams, to bottomlands. Due to its ability to grow and reproduce quickly, the water oak is often the most abundant species in a stand of trees. The tree is relatively short-lived compared to other oaks and may live only 60 to 80 years. It does not compete well and does not tolerate even light shade. Water oak is frequently used to restore bottomland hardwood forests on land that was previously cleared for agriculture or pine plantations. Minimum age for flowering and fruiting is 20 years and the tree produces heavy crops of acorns nearly every year. Water oak is not recommended as an ornamental due to being short-lived, disease-prone, and extremely messy.
Water oak has been used for timber and for fuel by people in the southern states since the 17th century.
Quercus affinis · Coast Live Oak · White Oak · Golden Oak · Scrub oak · Brant's oak · Turkey Oak · Canyon Live Oak · Scarlet Oak · Daimyo oak · Blue oak · Leather oak
Text excerpted from the Wikipedia article Quercus nigra by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
