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Juglans regia Synonyms: Common Name(s): English walnut; Persian walnut Family: Juglandaceae Growth Habit: Perennial Invasiveness: Growing Days: 150 to 190 (days) Temperature:
Abs.Max=104° (F) | Opt.Max=86° (F) | Opt.Min=59° (F) | Abs.Min=45° (F) | Precipitation: 31 to 67 (in.) Winter Minimum: -11° (F) Soil pH: 5.5 to 7.5 Soil Texture/Type: Medium textured soils Soil Drainage: Well Photoperiod Response: Long day Light Intensity: Bright Comments: Requires 2,300 GDD (50 F). Prefers deep well drained soils of high fertility. No salt tolerance. Frost susceptible. Diseases: Phytothora, Rhizoctonia, Cercospora, Powdery Mildew Uses: Environ. - ornamental, Material - wood, Food - nut Woodiness: Tree Climate: Temperate, steppe and semi-arid, subtropical-dry summer Geographical Origin: Soviet Middle Asia, Western Asia, Southeastern Europe, Caucasus, Indian Subcontinent Metric UnitsReturn to Search Results
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