SelecTree: Tree Detail

BUTTERNUT
Juglans cinerea

Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea Juglans cinerea

Photo Locations: Hoyt Arboretum - Portland, OR

General Notes

Very hardy. 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.

Native to Eastern North America.

Family: Juglandaceae

Tree Characteristics

Erect or Spreading and requires ample growing space.

Rounded Shape.

Has Deciduous foliage.

Height: 80 feet.

Width: 70 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Pinnately Compound Odd, 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, Beige or Mostly Green Nut, Large (1.50 - 3.00 inches), fruiting in Fall Edible.

Bark Dark Brown or Light Gray, Furrowed or Ridged.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderately Low out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 1 - 9 and 14 - 17.

USDA Hardiness Zones 3 - 7.

Exposure Full Sun to Partial Shade.

Moist Soil.

Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Resistant to Verticillium. Susceptible to Beetle Borers, Beetle Leaves and Caterpillars, Anthracnose.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium Strong.

Root Damage Potential Rated as Moderate.

Allergy Health Hazard.

Desirable Wildlife Plant.

Attracts Birds and Squirrels.

Cite this tree:
SelecTree. "Juglans cinerea Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/juglans-cinerea >

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.