Juglans nigra
Black Walnut Tree
Common Name: Black WalnutLatin Name: Juglans nigraSoil: Moderately fertile, well-drainedPosition: Full sunFlowering period/colour: May to June/Greenish yellow male catkins and inconspicuous female flowers.Hardiness: Fully hardyEventual height/spread: 25m/15mFruit size/colour: The fruits are oval and 3-4 centimetres across, usually in pairs. The outer slightly soft coat, which is called a husk or shuck, is shiny and green at first; it changes to dark brown when it is ripe. Inside this is one seed, the walnut, which has a white kernel when it is fresh.A handsome walnut with large, pinnate leaves and deeply furrowed bark, which is brown on a young tree and black on an old one, hence its common name. The leaves are held in handsome sprays and are a good rich shiny green, turning yellow in the autumn, though the colour may not be long-lasting.