When to Plant Sunchoke in Zone 5
In USDA zone 5a, plant outdoors April 7 to August 5, and expect your first harvest around August 5. (5a shown here — see 5a and 5b dates separately below.)
Sunchoke planting calendar for USDA Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Direct sow
Apr 7
Projected first harvest
Aug 5
Sunchoke is ready to harvest in about 120 days, needing roughly 149 frost-free days in zone 5a.
Sunchoke planting calendar for USDA Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Direct sow
Apr 2
Projected first harvest
Jul 31
Sunchoke is ready to harvest in about 120 days, 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
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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