When to Plant Sunchoke in Zone 4
In USDA zone 4, plant outdoors April 17 to August 15, and expect your first harvest around August 15.
Sunchoke planting calendar for USDA Zone 4
Direct sow
Apr 17
Projected first harvest
Aug 15
Sunchoke is ready to harvest in about 120 days. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 4 means for sunchoke
Average last spring frost
May 15
Average first fall frost
September 20
Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and sunchoke need about 120 days to mature.
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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