When to Plant Leeks in Zone 10
In USDA zone 10a, plant outdoors August 1 to March 29, and expect your first harvest around March 29. (10a shown here — see 10a and 10b dates separately below.)
Leeks planting calendar for USDA Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Aug 1
Projected first harvest
Mar 29
Most leeks mature in about 130 to 240 days depending on the variety, needing roughly 334 frost-free days in zone 10a.
Leeks planting calendar for USDA Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Aug 1
Projected first harvest
Mar 29
Most leeks mature in about 130 to 240 days depending on the variety, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? 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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