When to Plant Sunchoke in Zone 6
In USDA zone 6a, plant outdoors March 28 to July 26, and expect your first harvest around July 26. (6a shown here — see 6a and 6b dates separately below.)
Sunchoke planting calendar for USDA Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
Mar 28
Projected first harvest
Jul 26
Sunchoke is ready to harvest in about 120 days, needing roughly 168 frost-free days in zone 6a.
Sunchoke planting calendar for USDA Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
Mar 23
Projected first harvest
Jul 21
Sunchoke is ready to harvest in about 120 days, needing roughly 178 frost-free days in zone 6b.
Not sure whether you're in 6a or 6b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of sunchoke in the HomeSown library. Tap any for its full grow guide.
Common problems with sunchoke
What to watch for, with identification and treatment for each
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