- Broadleaf deciduous tree, it may reach 100 ft (30 m) in the forest, but generally attains a height of
40-60 ft (12-18 m) with horizontal, spreading, heavy branches, to a width of 30-50 ft (9-15 m), often with an
oval crown and a short forked trunk. Bark gray, smooth until old age, becomes rugged with deep
cracks and broad scaly ridges. Leaves alternate, pinnately compound, 25-50 cm long,
with 11-19 leaflets, each 5-12 cm long and 2-6 cm wide, oblong-lanceolate, tip acuminate, base rounded, margin
appressed-serrate, dark green and pubescent above, pubescent and glandular below; petiole and rachis covered
with sticky hairs. Male flowers in bright green catkins 5-12 cm long; female flowers in 5-8 flowered
spikes on the end of twigs, erect, bright red stigmas. Fruit oblong, tapered, 4-10 cm long, covered with sticky hairs; nut oblong, brown-black, with rough,
sharp sometimes broken ridges. Seeds are edible, sweet, mild-flavored but oily, and become rancid
- Sun Grows rapidly in fertile, well-drained soil; will grow slowly on alkaline, drier soil.
The most serious disease of Juglans cinerea is butternut decline or butternut canker, this fungal
disease has all but eliminated butternut from some southern states.
- Hardy to USDA Zone 3 Native to eastern North America, from New Brunswick to
Georgia and west to the Dakotas and Arkansas.
- cinerea: gray, the bark.