Plant Identifier
Pin Oak

Pin Oak

Quercus palustris

Family: FagaceaeNative: Eastern and central North AmericaIdentified: Oct 17, 2026

A medium to large deciduous tree featuring deeply lobed, glossy green leaves with bristle-tipped lobes and characteristic drooping lower branches.

Light
Full sun, requiring at least 6 hours of direct sunlight daily
Water
High moisture requirements; prefers deep, regular watering and performs well in moist soils, showing sensitivity to prolonged drought and alkaline soils.
Growth
Large deciduous perennial tree with a pyramidal growth form when young, developing an irregular, open crown with drooping lower branches at maturity. Height reaches 60 to 70 feet with a comparable spread, and growth rate is medium to fast.
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Care instructions

Provide full sun and consistently moist, well-draining acidic soil. Water regularly during dry spells and apply a balanced tree fertilizer in early spring.

Growing details

Sunlight

Full sun, requiring at least 6 hours of direct sunlight daily

Watering

High moisture requirements; prefers deep, regular watering and performs well in moist soils, showing sensitivity to prolonged drought and alkaline soils.

Soil

Prefers rich, moist, acidic soils with good drainage, optimal pH range between 4.5 and 6.5.

Hardiness zone

USDA zones 4 through 8

Growth habit

Large deciduous perennial tree with a pyramidal growth form when young, developing an irregular, open crown with drooping lower branches at maturity. Height reaches 60 to 70 feet with a comparable spread, and growth rate is medium to fast.

Bloom season

Spring; flowers are inconspicuous yellow-green catkins.

Propagation

Propagated primarily from seeds sown in autumn or stratified over winter, and occasionally through grafting or stem cuttings for cultivars.

Common pests & issues

Prone to iron chlorosis in alkaline soils, oak wilt, anthracnose, leaf miners, and scale insects.

Similar species

Scarlet Oak (Quercus coccinea) and Northern Red Oak (Quercus rubra); distinguished by the particularly deep sinuses and bristle-tipped lobes characteristic of pin oak leaves, as well as its habit of retaining lower branches that droop downward.