black walnut - Juglandaceae Juglans nigra

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JUNI

Taxonomy

FamilyJuglandaceae
GenusJuglans
Speciesnigra
Common Nameblack walnut
iTree CodeJUNI

Plant Form

FormTree: large, broad canopy
Height100 feet
Spread100 feet
DeciduousYes

Identification Description

Foliagepinnately compound 10-20” long, (10-20) leaflets, may be missing terminal leafletLeaf Type Information IconCompound - Pinnate
Needles0
Barkdark brown/gray, narrow furrows
Budterminal: pale gray/brown, fuzzy, roundedBud Arrangement Information IconAlternate
Twigstout, light brown current twig fuzzy, inside (pith) divided into tan cambers; leaf-scar said to resemble "monkey" face
Flowermale: pendulous catkins; female: small spike, pinkish
Fruitround green husk about golf ball sized, producing dark stain, very fragrant
Fall Coloryellow

Site Characteristics

USDA Zones   info for zonespH LevelsSalt Tolerance
Min4aMin6.5SoilIntolerant
Max8aMax8.0SprayIntolerant

Shade ToleranceDrought ToleranceAllelopathy
IntolerantHighYes

Species Status

Nebraska NativeYes Check
U.S. NativeYes Check
Region of OriginUnited States
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