When to Plant Wasabi in Zone 8
In USDA zone 8a, plant outdoors April 1 to August 29, and expect your first harvest around August 29. (8a shown here — see 8a and 8b dates separately below.)
Wasabi planting calendar for USDA Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Direct sow
Apr 1
Projected first harvest
Aug 29
Wasabi is ready to harvest in about 150 days, needing roughly 223 frost-free days in zone 8a.
Wasabi planting calendar for USDA Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Direct sow
Mar 20
Projected first harvest
Aug 17
Wasabi is ready to harvest in about 150 days, needing roughly 245 frost-free days in zone 8b.
Not sure whether you're in 8a or 8b? Set your ZIP in HomeSown for dates tuned to your exact location.
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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