When to Plant Leeks in Zone 3
In USDA zone 3, plant outdoors November 29 to July 27, and expect your first harvest around July 27.
Leeks planting calendar for USDA Zone 3
Direct sow
Nov 29
Projected first harvest
Jul 27
Most leeks mature in about 130 to 240 days depending on the variety. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 3 means for leeks
Average last spring frost
May 30
Average first fall frost
September 10
Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and leeks need about 130 to 240 days depending on the variety to mature.
Varieties to grow
2 varieties of leeks in the HomeSown library. Tap any for its full grow guide.
Common problems with leeks
What to watch for, with identification and treatment for each
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