Eastern black walnut
Juglans Nigra male and female together, Hardiness : Zone 4
Other names
Black walnut
Categories
Native plant, Nut tree or shrub
Description
A large deciduous tree native to eastern North America, valued for its edible nuts and highly prized timber. It develops a straight trunk, a broad open crown and a deep root system. Its leaves are very large and pinnately compound, with numerous leaflets. The edible nuts are enclosed in a thick green husk that darkens as it matures. Black walnut performs best in deep, fertile, moist and well-drained soils.
Availability
15-30cm high, naked roots
    quantity available: 2		 10.00$ +1
30-65cm high, naked roots
    quantity available: 40		 15.00$ +1
Features
Height X Width
20.0m X 16.0m
Foliage
Large, pinnately compound leaves, approximately 20–60 cm long, with numerous yellowish-green leaflet
Flowering
Large, pinnately compound leaves, approximately 20–60 cm long, with numerous yellowish-green leaflets. Leaves turn yellow in autumn.
Edible parts description
Round edible nuts, approximately 4–6 cm in diameter, enclosed in a thick green husk. The kernel has a rich, oily and strongly flavoured taste. The shell is very hard and deeply grooved, making the nut more difficult to crack than Persian walnut.
Harvest : from april to may
Resistances
Considered hardy
Sun exposure
Full sun
Soil type
Normal, well drained
Edible parts
Seeds
Pollination
Self-fertile
Images
Click to see full size

[from Wikipedia]

[from Wikipedia]

[from Wikipedia]