When to plant Leeks

Leeks can be planted outside when air temperature is consistently in a range between 40°F and 85°F and soil temperature is above 45°F. For best possible results aim to plant Leeks when air temperature is in consistently in a range between 55°F and 75°F and soil temperature is above 55°F.

Sow Leeks directly

Start Leeks indoors

Leeks growing facts

Plant name	Leeks
Plant Family	Alliaceae
Approximate time requirement to grow and produce harvest	80 - 150 days
Min tolerable temperature	40°F
Max tolerable temperature	85°F
Ideal temperature range for growing	55°F to 75°F
Seed germination temperature	55°F to 75°F