When to Plant Garlic in Zone 4
In USDA zone 4a, plant outdoors November 14 to July 12, and expect your first harvest around July 12. (4a shown here — see 4a and 4b dates separately below.)
Garlic planting calendar for USDA Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Direct sow
Nov 14
Projected first harvest
Jul 12
Most garlic mature in about 240 days, needing roughly 128 frost-free days in zone 4a.
Garlic planting calendar for USDA Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Direct sow
Nov 9
Projected first harvest
Jul 7
Most garlic mature in about 240 days, needing roughly 138 frost-free days in zone 4b.
Not sure whether you're in 4a or 4b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
6 varieties of garlic in the HomeSown library. Tap any for its full grow guide.
Common problems with garlic
What to watch for, with identification and treatment for each
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