Name                             Black Walnut
Family Species               Juglans nigra
Wildlife Value                  Good
Average height               50’
Origin                              Native
Shade Tolerance             Intolerant
Drought Tolerance          Fair
Growth Rate                   Slow/Moderate
Fruit                                Edible nut
Special Characteristics   Produces a water-soluble compound called Juglone
Seedling Size                  12” to 18”
 
General Description: Requires considerable amount of space for full growth. Not recommended for a field windbreak. Produces a large deep root system. Also produces a substance known as juglone that is toxic to confiners and most flowers and vegetables.    
 
Pests: Walnut caterpillar; variable oakleaf caterpillar; lacebug, Anthracnose; Nectria canker.
 
Uses:
It provides food and cover for wildlife. It is a prized wood in Minnesota it is used as veneer and furniture. Nuts are edible