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Crop dates by place

Leek Planting Dates by State and Region

Published leek planting windows for 5 places, with the source and the caveats you need before you use them.

Leek windows by place
PlacePlantingHarvest
Central North CarolinaPlanting: mid Feb to end of Jun (direct seed); Transplanting: mid Feb to end of Jun (transplants)
Eastern North CarolinaPlanting: mid Feb to end of Jun (direct seed); Transplanting: mid Feb to end of Jun (transplants)
Maricopa County, ArizonaPlanting: early Jan to end of Jan; mid Aug to mid Oct (seed)
New HampshireStart indoors: start seeds indoors 8-10 weeks before setting out; Transplanting: transplant 4 weeks before last frost
Western North CarolinaPlanting: early Apr to end of Jul (direct seed); Transplanting: early Apr to end of Jul (transplants)

Calendar view

Leek calendar by place
ItemJanFebMarAprMayJunJulAugSepOctNovDec
Central North Carolina plantingTiming in table above
Central North Carolina transplantingTiming in table above
Eastern North Carolina plantingTiming in table above
Eastern North Carolina transplantingTiming in table above
Maricopa County, Arizona plantingTiming in table above
New Hampshire start indoorsTiming in table above
New Hampshire transplantingTiming in table above
Western North Carolina plantingTiming in table above
Western North Carolina transplantingTiming in table above
Frost-date caveat: ranges blur real differences inside a state or region. Use them to plan, then fit them to your last frost date, soil temperature and field conditions.

Related guides

Last reviewed: November 2026. Source: NC State Extension - Central North Carolina Planting Calendar for Annual Vegetables, Fruits, and Herbs.