Shagbark Hickory Identification Guide

Key Identifying Features

Shagbark hickory (Carya ovata) is a tall deciduous tree named for its unmistakable shaggy bark that peels away in long, loose vertical strips. It grows 60–80 feet tall with a straight trunk and an irregular, oblong crown.

• Shaggy gray bark peeling in long plates that curl out at top and bottom
• Compound leaves with usually 5 (sometimes 7) leaflets, the terminal three much larger
• Round, sweet, edible nuts in thick husks that split cleanly into four
• Large, fuzzy, dome-shaped terminal buds

Leaves & Stems

The leaves are pinnately compound, 8–14 inches long, with usually 5 leaflets — the upper three notably larger than the lower two. Leaflets are finely toothed, pointed, and often have tiny tufts of hairs along the teeth (visible with a hand lens). Foliage turns rich golden-yellow in fall. The twigs are stout with a large, broad, hairy terminal bud, and the pith is solid (not chambered like walnut). The bark is the standout: smooth and gray on young trees, then separating into long, hard plates that peel loose at the ends, giving older trunks a distinctly shaggy, unkempt look.

Flowers & Fruit

Shagbark hickory is monoecious. In spring, drooping yellow-green male catkins dangle in threes while small female flowers form at branch tips. The fruit is a round nut, 1–1.5 inches, enclosed in a thick, woody green-to-brown husk that splits completely into four sections at maturity. Inside is a light-colored, four-ribbed shell holding a sweet, edible kernel — among the best-tasting of the hickories.

How to Tell It Apart from Look-Alikes

The shaggy bark separates it from most hickories at a glance. Shellbark hickory (Carya laciniata) also has peeling bark but typically 7 leaflets and larger nuts. Pignut and bitternut hickories have tight, non-shaggy bark and fewer/more leaflets, and bitternut has bright sulfur-yellow buds. Black walnut and ash have compound leaves but lack the shaggy bark and split-husk round nuts; walnut also has a chambered pith. Solid pith plus shaggy bark plus 5 leaflets confirms shagbark.

Where You'll Find It

Native to eastern North America, shagbark hickory grows in upland forests, rich slopes, and well-drained bottomlands, often mixed with oaks. It is long-lived and slow-growing, valued for its strong wood and prized nuts.

Quick ID Checklist

• Bark: shaggy, peeling in long loose vertical strips
• Leaves: compound, usually 5 leaflets, top three largest
• Buds: large, broad, fuzzy terminal bud; solid pith
• Fruit: round sweet nut in a thick husk that splits into four
• Habitat: upland hardwood forests of eastern North America

A tall tree with shaggy peeling bark and five-leaflet compound leaves is shagbark hickory.