Leek illustration

Growing Leek in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Leek early indoors to maximize your harvest window. Viimane öökülm: May 22. Esimene öökülm: Sep 12.

Season Too Short

Leek needs 120 days to harvest, but Zone 3a has only a 113-day growing season. Consider short-season varieties or season extension techniques.

Tsoon3a
Viimane öökülmMay 22
Esimene öökülmSep 12
Hooaeg113 päeva
Saak120 päeva
PäikeTäispäike

When to Plant Leek in Zone 3a

Start Seeds Indoors: Mar 13

Start Leek seeds indoors around Mar 13 (10 nädalat enne viimast külma). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 8

Transplant Leek seedlings outdoors after May 8. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm vahekaugus). Harden off plants for a week before moving outside.

Harvest: Aug 6

First harvest approximately Aug 6 (~90 päeva from transplant). Continue harvesting until first frost (Sep 12). Leek can overwinter in mild climates for continued harvest.

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