Black Oak

Growth habit

Tree

Perennation

Long-lived polycarpic perennial

Native distribution

Native to the Finger Lakes Region, Nova Scotia to PA, West to MN and IA

Location

Mundy Wildflower Garden, Peterson Oak Grove, Schnee Oak Collection, Urban Tree Collection, Bald Hill and Caroline Pinnacles, Coy Glen, Edwards Lake Cliffs Preserve, Ringwood Ponds, South Hill Swamp

Source of plant

Doug Goldman, US National Arboretum, Klyn Nurseries, Sooner Plant Farm, BCH, John Ewanicki

Description

Deciduous tree to 20-30m, rarely to 45m. Bark black-brown, deeply fissured, fissures orange at center. Young branchlets brown-tomentose becoming glabrous, red-brown. Leaves 6-25 — 4.5-15.5cm, narrowly ovate to obovate, often misshapen, apex acute, base truncate, margin deeply 5 or 7 lobed, lobes ovate to triangular, 1-3 bristle-tipped teeth, dark , glabrous and glossy above, paler, densely tomentose at first beneath, becoming scurfy with a few hairs in nerve axils; petiole 2.5-7cm. Acorns ripe in second year, solitary or paired, 1.5-2.5cm, ovoid to subglobose, pale brown; cupules made up of loosely overlaping hairy scales, enclosing half of acorn.

USDA Hardiness Zone

3

Status

L3|S5|G5