A patient, cold-hardy allium with a mild onion flavor. Long to mature but forgiving, and it can stand in the ground through frost.
When to plant leek where you live
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Full sun
Zones 3–9
6 in apart, 12–18 in between rows. Plant in a deep trench or dibble holes and hill soil up to blanch the white shanks.
Deep, fertile, well-draining soil rich in organic matter; pH 6.0–7.0. Loose soil makes blanching and harvest easier.
Consistent 1 in/week. Leeks have shallow roots and bolt or split under drought stress, so never let them dry out fully.
Mar – Apr
Sep – Dec
Start seed indoors 8–10 weeks before last frost, then transplant pencil-thick seedlings into deep holes. Trim tops once to encourage sturdy growth.
Good with Carrot, Onion, Celery, Beet, Strawberry. Keep apart from Beans, Peas.
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