When to Plant Wasabi in Zone 4
In USDA zone 4, plant outdoors May 15 to October 12, and expect your first harvest around October 12.
Wasabi planting calendar for USDA Zone 4
Direct sow
May 15
Projected first harvest
Oct 12
Wasabi is ready to harvest in about 150 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 wasabi
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 wasabi need about 150 days to mature.
Varieties to grow
1 variety of wasabi in the HomeSown library. Tap any for its full grow guide.
Common problems with wasabi
What to watch for, with identification and treatment for each
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