Allium ampeloprasum

Poireau    Leek   Puerro   Lauch

Crop Rotation Group :Allium (Onion family)leek

Soil :Requires rich, loamy soil that holds moisture well.

Position : Sun or partial shade.

Frost tolerant : Yes


Helps: Carrots, celery, onions, tomato, passion fruit
Helped by: Carrots, clover
Avoid: Swiss chard


Sow and Plant :Sow indoors in early spring, and move to a protected cold frame if you have one. Transplant when seedlings are about the size of a pencil.

Germination:  7-14 days

Spacing : Single Plants: 7″ (20cm) each way; Rows: 5″ (15cm) with 11″ (30cm) row gap

Feeding : In late summer while the weather is still warm, drench plants thoroughly with a water-soluble plant food.

Harvesting :When leeks are almost the size you prefer, blanch them for 2 to 3 weeks by putting a mound of soil, mulch, or a cardboard tube around the base of each stem. Grows best in climates where nights remain cool through summer. In mild winter climates, try leeks as a fall-to-spring crop.
Dig as needed in the kitchen. In cold winter climates, dig plants before the ground freezes in early winter.

Time to harvest: days

Troubleshooting :Struggling plants may be infested with onion root maggots, which are easy to see when you dig up a plant. Promptly remove affected plants

Notes :