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ABOUT EVENTS News PROGRAMS & SERVICES FACT SHEETS TOPICS COUNTY OFFICES
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Ferguson College of AgAg Research
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Common Name: Black Walnut

Species Name: Juglans nigra

Family Name: Juglandaceae

 

 

Examples of Black WalnutJuglans nigra

A Black Walnut branch with alternating green, smooth edged leaflets.
A Black Walnut branch with alternating green, smooth edged leaflets.
A Black Walnut branch with alternating green, smooth edged leaflets.
A dark brown Black Walnut branch with small buds.
A dark brown Black Walnut branch with small buds.
A dark brown Black Walnut branch with small buds.
The green, round and smooth seeds of a Black Walnut.
The green, round and smooth seeds of a Black Walnut.
The green, round and smooth seeds of a Black Walnut.

 

 

Plant Facts  
Origin Eastern United States
Sun Preference Full Sun
Susceptibility None Serious

 

 

ID Characteristics

 

 

Habitat/Ecology  
Soil Preference Well-drained, deep and rich
USDA Cold Hardiness Zone 4
Notes Few serious problems; husks stain; produce juglone, a toxic chemical defense that can kill other plants

 

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