SelecTree: Tree Detail

SHAGBARK HICKORY
Carya ovata

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Photo Locations: Morton Arboretum - Lisle, IL, San Antonio Botanic Garden - San Antonio, TX and Arnold Arboretum - Boston, MA

General Notes

A common hickory in the eastern United States and southeast Canada. Related to Black Walnut, this tree produces juglone but to a lesser degree. Juglone is an organic compound that is harmful or toxic to other plants.

Has fragrant Leaf.

Native to Eastern United States and Southeastern Canada.

Family: Juglandaceae

Additional Common Names

SHAGBARK HICKORY, SHELLBARK HICKORY, SCALYBARK HICKORY

Tree Characteristics

Erect or Spreading and requires ample growing space.

Rounded or Spreading Shape.

Has Deciduous foliage.

Height: 80 feet.

Width: 50 feet.

Growth Rate: 12 to 24 Inches per Year.

Longevity Greater than 150 years.

Leaves Pinnately Compound Odd, Bluish Green or Silver or Gray Green, Golden or Yellow or Orange, Deciduous.

Flowers Inconspicuous. Flowers in Spring. Has separate male and female reproductive parts on the same tree (monoecious).

Brown Nut, Large (1.50 - 3.00 inches), fruiting in Fall Edible.

Bark Dark Gray or Light Gray, Exfoliating or Scaly.

Shading Capacity Rated as Dense in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Wet Fruit.

Tree Site Conditions & Constraints

Sunset Zones 4 - 9 and 14 - 16.

USDA Hardiness Zones 5 - 8.

Exposure Full Sun to Partial Shade.

Wet to Moist Soil.

Loam or Sand Texture.

Highly Acidic to Slightly Alkaline Soil pH.

Seaside Tolerance is Not Suited.

Pests & Disease Information

Susceptible to Aphids, Chlorosis and Sooty Mold.

Health, Safety & Environmental Concerns

Branch Strength Rated as Strong.

Root Damage Potential Rated as Moderate.

Allergy Health Hazard.

Attracts Squirrels.

Special Uses & Values

Riparian.

Cite this tree:
SelecTree. "Carya ovata Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/carya-ovata >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.