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Overcup Oak, Swamp Post Oak, Swamp White Oak, Water White Oak
Quercus lyrata

Fagaceae (white oak group)

Overcup Oak grows in wet, oxygen-deficient soils like swamps and river bottoms in the eastern part of the state, in acid sands, sandy loams or clays. Its leaves are dark green on top and light and hairy beneath, and 3 to 6 inches wide. In fall they turn a rich yellow brown and fall earlier than other oaks. Its bark resembles that of White Oak, Q. alba.

Plant Habit or Use: medium tree large tree

Exposure: sun

Flower Color: catkins to 2 in. long

Blooming Period: spring

Fruit Characteristics: acorn with large cap that covers most of the nut

Height: to 90 ft.

Width: to 90 ft.

Plant Character: deciduous

Heat Tolerance: high

Water Requirements: water or bog

Soil Requirements: acid

USDA Hardiness Zone: 5

Additional Comments:

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