Walnut, English or Persian
Juglans regia
Juglandaceae - Walnut

Description

See also Black Walnut description.

Leaves: With 5 to 9 leaflets with entire margins (rarely 13); leaflets elliptic to obovate.

Twigs/buds: Twigs yellowish-greenish-brown initially, but grayish when older; thick. Terminal buds grayish, large (1/4" to 1/3" in length); scales brownish, hairy, and slightly overlapping.

Flowers/fruit: Monoecious. Fruit a nut with thinner, smoother shell than black walnut; this is the most common commercially available walnut in the U.S.

Bark: Silver-gray, smooth; ridges flat and interlacing; similar to quaking aspen (P. tremuloides) when young.

Wood: Valuable and prized; usually purplish-brown, hard, heavy, close-grained, durable; polishes well; used to make gun-stocks, pianos, furniture, or as fuel.

General: Native to southeastern Europe to Himalayas and China, and widely planted throughout the world. Shade intolerant; prefers rich, deep soils.

Landscape Use: Can be planted in Utah in warmer, protected areas, but generally not quite as cold hardy as black walnut. Zones 4-8.

Cultivars: 'Carpathian', 'Hansen'.

Characteristics

General

Family Juglandaceae - Walnut
Cultivar Availability Yes
Hardiness Zone 4-8
Type Broadleaf
Utah Native No

Growth

Growth Rate Medium
Mature Height High
Longevity High
Is Good Under Power Lines No
Crown Shapes Rounded

Ornamental

Bark No
Fall Color No
Flowers No
Foliage Yes
Fruit No

Tolerance

Shade Low
Salt Medium
Drought Medium
Poor Drainage Medium
Alkalinity High
Transplanting Low