🌰 Walnut Tree: Growing Guide
Walnut Tree (Juglans regia) grows best in full sun with little water, and does well at −25 to 35 °C (−13 to 95 °F) in soil with a pH of 6.0–7.5. Space plants about 800 cm (315 in) apart. Expect 365+ days (a perennial — it takes more than a season).
Quick facts
| Scientific name | Juglans regia |
|---|---|
| Category | Nuts |
| Sunlight | Full sun |
| Watering | Low |
| Plant spacing | 800 cm (315 in) |
| Soil pH | 6.0–7.5 |
| Comfortable temperature | −25 to 35 °C (−13 to 95 °F) |
| Time to maturity | 365+ days (a perennial — it takes more than a season) |
| Sowing depth | 20 cm (7.9 in) |
| Height | 1000–2500 cm (394–984 in) |
When to sow, plant and harvest
The calendar below shows the best months in each climate zone. Pick the zone closest to your garden.
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mediterranean | Plant out | Harvest | Harvest | Harvest | ||||||||
| Continental | Plant out | Plant out | Harvest | Harvest | ||||||||
| Oceanic | Plant out | Harvest | Harvest | Harvest | ||||||||
| Subtropical | Plant out | Harvest | Harvest | |||||||||
| Cold / Northern | Plant out | Harvest | ||||||||||
| Arid / Semi-arid | Plant out | Harvest | Harvest |
- Mediterranean (Greece, Spain, Italy, coastal Turkey): Plant out: Mar · Harvest: Aug–Oct.
- Continental (Central/Northern Europe, inland Balkans): Plant out: Mar–Apr · Harvest: Aug–Sep.
- Oceanic (UK, France, Belgium, Netherlands, NW Europe): Plant out: Mar · Harvest: Jul–Sep.
- Subtropical (Southern US, N. Africa, Middle East): Plant out: Feb · Harvest: Aug–Sep.
- Cold / Northern (Scandinavia, Canada, Russia, Alpine): Plant out: Apr · Harvest: Aug.
- Arid / Semi-arid (Arabian Peninsula, inland Australia): Plant out: Feb · Harvest: Jul–Aug.
Watering
Water about every 7 days in summer and about every 21 days in winter. Deep watering weekly.
Growing tips
Long-lived (100+ years). Juglone inhibits growth of neighboring plants. Chandler.
Common pests and problems
Frequently asked questions
Walnut Tree: when should I sow and plant it?
Mediterranean (Greece, Spain, Italy, coastal Turkey): Plant out: Mar · Harvest: Aug–Oct. Continental (Central/Northern Europe, inland Balkans): Plant out: Mar–Apr · Harvest: Aug–Sep. Oceanic (UK, France, Belgium, Netherlands, NW Europe): Plant out: Mar · Harvest: Jul–Sep.
Walnut Tree: how often should I water it?
Water about every 7 days in summer and about every 21 days in winter. Deep watering weekly.
Walnut Tree: how far apart should I plant it?
Plant about 800 cm (315 in) apart and sow at a depth of about 20 cm (7.9 in).
Walnut Tree: how long does it take to grow?
Plan on 365+ days (a perennial — it takes more than a season).
Walnut Tree: which pests and problems should I watch for?
Bacterial fruit drop.
Plan your garden
Add Walnut Tree to your garden design in the free GardenXPro planner: drag plants onto a 2D plan, preview it in 3D, check companions and get watering reminders.
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