When to Plant Hops in Zone 4
In USDA zone 4a, plant outdoors May 29 to September 26, and expect your first harvest around September 26. (4a shown here — see 4a and 4b dates separately below.)
Hops planting calendar for USDA Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Direct sow
May 29
Projected first harvest
Sep 26
Hops is ready to harvest in about 120 days, needing roughly 128 frost-free days in zone 4a.
Hops planting calendar for USDA Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Direct sow
May 24
Projected first harvest
Sep 21
Hops is ready to harvest in about 120 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.
Common problems with hops
What to watch for, with identification and treatment for each
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