🥜 English Walnut
Juglans regia
nuts
deciduous tree
☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
["4", "9"]
🧪 Soil pH
6.5-7.5
🪴 Soil Type
well-draining, deep, fertile, slightly alkaline
🚿 Drainage
Well-drained
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone
🤝 Companions (6)
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
🤝 gooseberries
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
🤝 hackberry
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
⚠️ Keep Apart (6)
⚠️ apples
Growth inhibition or competition
Growth inhibition or competition
Growth inhibition or competition
⚠️ pines
Growth inhibition or competition
Growth inhibition or competition
Growth inhibition or competition
📝 Growing Notes
Produces juglone, allelopathic compound toxic to many plants (especially nightshades, apples, pines). Only juglone-tolerant species can grow within root zone (50-80 ft radius). Black walnut (J. nigra) even more allelopathic.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
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