Black walnut
Juglans nigra
A North American tree producing a strongly flavored edible nut inside a hard, thick shell.
Family
Juglandaceae
Temperature
13-28°C (absolute 2-36°C)
Rainfall
800-1000mm (absolute 300-1300mm)
Altitude
1200m
Soil pH
6.5-7.5 (absolute 5.8-8.3)
Soil types
Deep, well-drained fertile soils