Shellbark hickory is a magnificent native deciduous tree that grows 60 to 80 feet tall (occasionally reaching 120 feet) with a narrow, rounded crown, native to the lowland forests and river valleys from New York to Iowa and south to Tennessee and Oklahoma. Hardy in zones 5 through 8, it thrives in full sun to partial shade and produces showy flowers in April and May followed by edible nuts that ripen in fall. This tree serves as a stunning shade specimen for large properties and naturally tolerates the presence of black walnut trees, making it a resilient choice for mixed woodland settings.
Partial Sun
Moderate
5-8
960in H x 720in W
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Moderate
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Shellbark hickory produces abundant, high-quality nuts with a naturally sweet flavor, particularly when cross-pollinated with another shellbark hickory nearby. The tree's narrow, rounded crown and rich green foliage create an elegant silhouette in the landscape, while its spring flowers and fall nut drop add seasonal interest. Its deep taproot and preference for moist, humusy soils connect it intimately to floodplain environments where it has thrived for centuries.
Shellbark hickory serves primarily as a shade tree for large properties and landscapes where space permits its full development. The edible nuts are the tree's most valuable product, eaten fresh or roasted, and valued by those who appreciate wild nuts and traditional food sources. The tree's ability to thrive in periodically flooded bottomland soils makes it particularly useful for riparian restoration and erosion control projects.
No timeline data available yet for this variety.
Transplant nursery-grown shellbark hickories in early spring or fall, choosing containerized or young specimens rather than bare-root trees, as this species is difficult to establish due to its deep taproot. Plant into humusy, rich soil that retains moisture and tolerates periodic wet conditions. Space trees 40 to 60 feet apart to allow for mature crown spread.
Shellbark hickory nuts mature in fall and drop naturally from the tree; collect nuts from the ground once they have fallen and the hulls have dried and cracked open, revealing the hard shell within. Harvest nuts after natural abscission rather than attempting to pick them from the tree. Allow harvested nuts to dry further in a cool, dry location before cracking and extracting the meat.
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“Shellbark hickory is native to North America, with its natural range centered in the Ohio and upper Mississippi River valleys, where it has grown in lowland forests, bottomland woods, and streambank environments for millennia. It occurs naturally from New York to Iowa and south to Tennessee and Oklahoma, with Missouri populations concentrated along major rivers and streams. Indigenous peoples and early settlers valued these trees for their nutritious nuts long before modern horticulture formalized their cultivation.”