J
Fruit & berries
Walnut tree
Juglans regia
A big shade tree that bears walnuts and lives over a century.
- Light
- Full sun (6 h or more)
- Height
- 10–20 m
- Watering
- Moderate: 2–3 times a week in summer
- Soil
- fertile, rich in organic matter; loose and well-drained
- Edible?
- Yes: the seeds
- How to plant
- Dig a 60×60 cm hole with compost; 10 m from other trees. Water deeply after planting.
- Care
- Needs lots of space. Prune only in summer, as it bleeds sap in winter. Its roots hold back nearby plants.
Calendar by climate
Warm coast
F
M
A
M
J
J
A
S
O
N
D
Mild Mediterranean
J
F
M
A
M
J
J
A
S
O
N
D
Southern interior
J
F
M
A
M
J
J
A
S
O
N
D
Continental interior
J
F
M
A
M
J
J
A
S
O
N
D
Cold interior and uplands
J
F
M
A
M
J
J
A
S
O
N
D
Atlantic
J
F
M
A
M
J
J
A
S
O
N
D
Canary Islands (subtropical)
J
F
M
A
M
J
J
A
S
O
N
D
SowPlantHarvestPruneFeedTreat
Dates are for growing outdoors, based on the local climate. In a greenhouse or tunnel everything comes earlier.
Feeding and doses
Mild Mediterranean
- Well-rotted manureJan4–6 kg / m²
Pest prevention and doses
Mild Mediterranean
- Fungal diseasesCopper (Bordeaux mixture) · Mar10–15 g / L
Approximate doses: always follow the product label. Spray in the evening, never in full sun or on flowers visited by bees. No sulphur above 30 °C.
How easy to grow by climate
- Warm coastDifficultToo warm a climate
- Mild MediterraneanNeeds regular careHot, dry summers
- Southern interiorNeeds regular careExtreme summer heat
- Continental interiorEasy
- Cold interior and uplandsEasy
- AtlanticEasy
- Canary Islands (subtropical)Not recommended outdoorsNo winter chill
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- Olive tree
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- Plum tree
- Apricot tree
- Quince tree
- Hazel
- Sweet chestnut
- Kiwi vine
- Mandarin tree
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- Cornelian cherry
- Nectarine
- Banana
- Blackberry
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- Stone pine
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- Common medlar
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