When to Plant Shiso in Zone 8
In USDA zone 8a, start seeds indoors around February 18, transplant or plant outdoors April 8 to June 7, and expect your first harvest around June 7. (8a shown here — see 8a and 8b dates separately below.)
Shiso planting calendar for USDA Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Start seeds indoors
Feb 18
Transplant outdoors
Apr 8
Projected first harvest
Jun 7
Shiso is ready to harvest in about 60 days, needing roughly 223 frost-free days in zone 8a.
Shiso planting calendar for USDA Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Start seeds indoors
Feb 6
Transplant outdoors
Mar 27
Projected first harvest
May 26
Shiso is ready to harvest in about 60 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 shiso in the HomeSown library. Tap any for its full grow guide.
Common problems with shiso
What to watch for, with identification and treatment for each
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