| Black Walnut, American Black Walnut, Eastern Black Walnut|
Black walnut grows on deep, rich, moist limestone soils. It is found in east, north central and central Texas in bottomland floodplains, field edges and along streams. During droughts in the Blackland Prairie, which normally averages 35 inches of rain a year, it can suffer massive limb die-off, so it has a fairly high moisture requirement. Walnut roots and leaves secrete a chemical known as "juglone," which can inhibit growth of some plant species around it. Walnut wood is much desired for furniture and veneer.
Plant Habit or Use: large tree
Flower Color: greenish
Blooming Period: spring
Fruit Characteristics: large, round nut encased in husk
Height: to 80 ft.
Width: 40 to 50 ft.
Plant Character: deciduous
Heat Tolerance: high medium
Water Requirements: high medium
Soil Requirements: alkaline