Allium ampeloprasum · Amaryllidaceae

Leek

✅ Pet-friendlyBiennial life cycle, harvested in the second year.30 to 61 cm

LightFull sun

WaterModerate watering

DifficultyEasy

ColdResistant down to -5 degrees Celsius.

Full sunModerate wateringEasyResistant down to -5 degrees Celsius.

Description & origin

The leek is a biennial herbaceous plant, primarily cultivated for its edible part. It features long, narrow leaves and a spherical inflorescence made up of small white to lilac flowers.

Size

Grows up to 60 cm tall.

Foliage

Leaves should be kept healthy and pest-free.

Flowering

Blooms in summer, attracting pollinators.

Detailed care

Light

Prefers full sun but tolerates partial shade.

Soil

Well-drained soil rich in organic matter.

Watering

Moderate watering, keeping the soil slightly moist but not waterlogged.

Temperature

Prefers mild temperatures but is frost-resistant.

Fertilising

Fertilize with a balanced fertilizer during the growing phase.

Repotting

Transplant when plants are about 15 cm tall.

Pruning

No pruning required, just remove dead leaves.

Propagation

Can be propagated by seeds or division of clumps.

Common problems

Pests

Can be affected by aphids and butterfly larvae.

Fungal diseases

Susceptible to fungi in overly humid conditions.

Yellowing leaves

May indicate nutrient deficiency or overwatering.

Uses & curiosities

In the garden

Ideal for vegetable gardens and herb gardens
Attracts pollinators like bees
Can be grown in pots

Other uses

Used in cooking as a seasoning

Did you know…

Leeks are widely used in Mediterranean cuisine and are an excellent source of vitamins and minerals. They are also quite resistant to pests.