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Shellbark hickory

Carya laciniosa

Also called Big Shagbark Hickory, Big Shellbark, Big Shellbark Hickory, Bigleaf Shagbark, Bigleaf Shagbark Hickory, Bottom Shellbark, Kingnus

Shellbark hickory
Photo: Robert H. Mohlenbrock. USDA SCS. Midwest wetland flora: Field office illustrated guide to plant species., Public domain

A large, slow-growing hardwood tree of the walnut family, native to eastern North America, grown mainly for its large edible nuts and hard wood. Its long taproot makes it hard to transplant, so plant young and avoid disturbing the root.

Family
Juglandaceae (Walnut family)
Grows as
Tree
Light
Part shade, Shade
Water
Water regularly while young and during dry spells; it likes moist, well-drained soil.
Soil
Deep, moist, well-drained loam; tolerates bottomland soils.
Temperature
Hardy in cold winters (USDA zones about 4 to 8); needs a long warm growing season.
How easy
Hard
Safety
Not known to be toxic. Not toxic to cats or dogs (ASPCA).
Edible
Yes, some parts
Native range
SE. Canada to C. & E. U.S.A.
Climate
temperate

About

Carya laciniosa, the shellbark hickory, in the Juglandaceae or walnut family is also called kingnut, big, bottom, thick, or western shellbark, attesting to some of its characteristics. It is a slow-growing, long-lived tree, hard to transplant because of its long taproot, and subject to insect damage. The nuts, largest of all hickory nuts, are sweet and edible. Wildlife and people harvest most of them; those remaining produce seedling trees readily. The wood is hard, heavy, strong, and very flexible, making it a favored wood for tool handles. A specimen tree has been reported in Missouri with 117 cm (46 in) diameter at breast height, 36.9 m (121 ft 1 in) tall, and a spread of 22.6 m (74 ft 2 in).

Where it grows

Shellbark hickory is widely distributed, but is common nowhere. The range extends from western New York through southern Michigan to southeast Iowa, south through eastern Kansas into northern Oklahoma, and eastward through Tennessee into Pennsylvania. This species is most prominent in the lower Ohio River region and south along the Mississippi River to central Arkansas. It is frequently found in the great river swamps of central Missouri and the Wabash River region in Indiana and Ohio.

Uses

The seeds within shellbark hickory nuts are edible and consumed by ducks, quail, wild turkeys, squirrels, chipmunks, deer, foxes, raccoons, and white-footed mice. A few plantations of shellbark hickory have been established for nut production, but the nuts are difficult to crack, though the kernel is sweet. The wood is used for furniture, tool handles, sporting goods, veneer, fuelwood, charcoal, and drum sticks.

Other Carya plants

Water hickory · Pignut hickory · Pecan · Nutmeg hickory · Red hickory · Shagbark hickory · Sand hickory · Black hickory · Mockernut hickory · Hickory

Text excerpted from the Wikipedia article Carya laciniosa by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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