Walnut
Juglans regia
- Layer 1 · Canopy
- Edible companion
Status by region
No restrictions recorded in the lists we checked.
Checked against the European Union list (Regulation 1143/2014) · Portugal's national invasive species list (Decreto-Lei 92/2019).
Information based on the cited sources, not legal advice — always confirm your local rules.
About
Native to Eastern Europe and Central Asia, it is a large deciduous tree producing nuts rich in healthy oils. It occupies the canopy layer in food forests, providing a valuable autumn harvest.
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Needs
- Water: Medium
- Light: Full sun
- Size: Large tree up to 25 m
- Mature diameter: 10 m
- Soils: Loam, Clay, Limestone
- Climates: Atlantic coast, Inland / Continental, Hot, dry Mediterranean, Mountain / cold
Calendar
- January — Planting
- February — Planting
- March
- April
- May
- June
- July
- August
- September — Harvest
- October — Harvest
- November — Planting
- December — Planting
- Harvest
- Planting
Medicinal use: Walnuts are highly nutritious, and tea made from the leaves is traditionally used for its astringent properties.
Where to buy
Related plants
Other species in the same layer or with the same function.
See the guild for a walnut on your land
Tell us where your land is and we'll show the companion plants that grow well with this tree.
No account needed.
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