Arkansas Tree Database

Post Oak

Post Oak

Scientific name:

Quercus Stellata

Size:

50'-80' tall by as wide

Leaves:

alternate, simple, 4"-5" long and sometimes nearly as broad, deeply 5-lobed with the 2 central lobes squarish and cross-shaped, rough upper surface, with no bristles on tips

Flowers:

inconspicuous

Fruit:

small acorn half-enclosed in cup; in the white oak group so maturing the first season on the current year's twig

Fall Interest:

golden brown, persisting late; deciduous

Culture:

sun; dry to moist soil, tolerant of dry, stony soil

Disease/Insect:

Use:

shade tree on stony sites; wood for fence posts, cooperage, cross ties, furniture

Cultivars:

Notes:

bark light gray, irregularly and shallowly grooved with rough plate-like scales; can live 300 years or more; bark tea used historically to treat a number of ailments; in the white oak group; native to Arkansas

Resources:



Click thumbnail to enlarge images

Post oak bark on trunk Post oak bark on trunk Post oak bark on trunk Post oak leaves, varying but mostly with a cross-shaped appearance Post oak leaf on bark of mature tree Post oak leaf, showing two central lobes at right angles, with no bristles on the tips Post oak leaf, showing two central lobes at right angles, with no bristles on the tips Post oak tree Post oak tree habit, winter Post oak twig