Habit: Impressive large tree, (18) 20-25 m tall; 8-10 m wide, crown broadly spreading, almost horizontally extended branches, unevenly rounded, fast growing.
Flowers: Monoecious, inconspicuous, male flowers in thick hanging catkins, female flowers with red stigma; April-Mai.
Fruits: Yellow-green husks, sticky, pilose, strongly marking; nut, oblong-ovoid, black-brown and rough, 4-8 cm large, slightly oily nutmeat, tastes like walnut, edible, hard to loosen from nutshell, September-October.
Leaves: Deciduous, very large with size of up to 25.5 cm, odd-pinnate, shoots sticky pilose, lushly yellow autumn colour.
Roots: Tap roots, should not be injured.
Bark: Light grey, deeply cracked.
Demands: Sun, frost hardy, does not tolerate salt.
Soil: Fresh, deep and nutritious, evenly moist, slightly acidic to neutral.
Hardiness: Zone 5
Note: Mid-August is the best time for pruning, otherwise prone to bleeding.