When to Plant Leeks in Zone 5
In USDA zone 5a, plant outdoors November 4 to July 2, and expect your first harvest around July 2. (5a shown here — see 5a and 5b dates separately below.)
Leeks planting calendar for USDA Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Direct sow
Nov 4
Projected first harvest
Jul 2
Most leeks mature in about 130 to 240 days depending on the variety, needing roughly 149 frost-free days in zone 5a.
Leeks planting calendar for USDA Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Direct sow
Oct 30
Projected first harvest
Jun 27
Most leeks mature in about 130 to 240 days depending on the variety, needing roughly 158 frost-free days in zone 5b.
Not sure whether you're in 5a or 5b? Set your ZIP in HomeSown for dates tuned to your exact location.
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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