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Leek

Allium porrum

A long-season allium; earthed up for a long white shank.

Key figures

ItemValueSource
Sowing depthabout 1.5 cm[1]
Temperatureseedlings above 10 °C (50 °F)[1]
Seed rate / spacingthin to 15–20 cm, rows 30 cm[1]
Time to harvestbaby leeks a couple of months, full-size up to six months[1]

The full guide (care, pests, beginner and professional tips) is currently in Finnish. The figures above are the same and come from the sources below.

These are general guidelines. Always check the variety, seed packet or fertiliser instructions and current regulations.

Sources

  1. RHS: Leeks – grow your own