| Scientific Name: | Juglans nigra |
| Common Name: | black walnut |
| Family Name: | Juglandaceae |
| Origin: | Canada - eastern, U.S. - central, U.S. - northeast |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 22 - 30m x 15 - 25m (height x width) |
| Habit: | Horizontal, Open, Spreading |
| Form: | Oval - horizontal, Round |
| Texture: | Coarse |
| Landscape Uses: | Herb, Specimen plant, Tall background, Wildlife food, Winter interest |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Compound, Alternate, Soft flexible, Lustrous, Distinctive smell, Odd-pinnate, Lanceolate, Serrate |
| Flowers: | Catkin (ament), Yellow, Green, Mar-Apr |
| Fruit: | Edible, Nut, (Accessory tissue), Yellow, Brown, Sep-Oct |
| Key ID Features: | |
| Large wide-spreading tree; leaves alternate, 30-60cm long, petiole 7-14cm long, pinnately compound with (9-)15-19(-23) sessile leaflets, most lanceolate, 7-13cm long x 2-4 cm wide, base rounded, apex acuminate, margin serrate; nut drupe-like due to husk, singlular or in pairs, most rounded, 4-7cm wide, brown. Winter ID: lateral buds ovate, most 3-6(-10)mm long, superposed, dark brown; new growth and buds pubescent; leaf scar 7-11mm wide, 3-lobed, 3 prominent bundle scar clusters with centre one U-shaped (resembles a monkey face); pith chambered, fallen fruit. | |