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 |
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Cultivar Availability | Yes |
Hardiness Zone | 4-8 |
Type | Broadleaf |
Utah Native | No |
Growth
Growth Rate | Medium |
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Mature Height | High |
Longevity | High |
Is Good Under Power Lines | No |
Crown Shapes | Rounded |
Ornamental
Bark | No |
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Fall Color | No |
Flowers | No |
Foliage | Yes |
Fruit | No |
Tolerance
Shade | Low |
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Salt | Medium |
Drought | Medium |
Poor Drainage | Medium |
Alkalinity | High |
Transplanting | Low |