J
Vegetables
Leek
Allium porrum
A very cold-hardy winter vegetable.
- Light
- Full sun (6 h or more)
- Height
- 0.5–0.8 m
- Watering
- Moderate: 2–3 times a week in summer
- Soil
- fertile, rich in organic matter
- Edible?
- Yes: the white stem
- How to plant
- Sow in trays 1 cm deep; plant out at 4–6 leaves, 15 cm apart.
- Care
- Plant deep and earth up to blanch the stem.
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. You can start seedlings earlier indoors or in a greenhouse, but plant them out only once the frosts are over.
Feeding and doses
Mild Mediterranean
- CompostMar3–5 kg / m²
Pest prevention and doses
Mild Mediterranean
- RustCopper (Bordeaux mixture) · Oct10–15 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 coastEasy
- Mild MediterraneanEasy
- Southern interiorEasy
- Continental interiorEasy
- Cold interior and uplandsEasy
- AtlanticEasy
- Canary Islands (subtropical)Needs regular careNo winter chill
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