When to Plant Shiso in Minnesota
Minnesota spans USDA hardiness 3a to 5a (zones 3a to 5a on this page). Plant shiso by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 3a · Zone 3b · Zone 4a · Zone 4b · Zone 5a
Shiso planting calendar for Minnesota, Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
Start seeds indoors
Apr 18
Transplant outdoors
Jun 6
Projected first harvest
Aug 5
Shiso is ready to harvest in about 60 days. Full zone 3 guide (both 3a and 3b) →
Shiso planting calendar for Minnesota, Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Start seeds indoors
Apr 8
Transplant outdoors
May 27
Projected first harvest
Jul 26
Shiso is ready to harvest in about 60 days. Full zone 3 guide (both 3a and 3b) →
Shiso planting calendar for Minnesota, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Apr 3
Transplant outdoors
May 22
Projected first harvest
Jul 21
Shiso is ready to harvest in about 60 days. Full zone 4 guide (both 4a and 4b) →
Shiso planting calendar for Minnesota, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Start seeds indoors
Mar 29
Transplant outdoors
May 17
Projected first harvest
Jul 16
Shiso is ready to harvest in about 60 days. Full zone 4 guide (both 4a and 4b) →
Shiso planting calendar for Minnesota, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Start seeds indoors
Mar 24
Transplant outdoors
May 12
Projected first harvest
Jul 11
Shiso is ready to harvest in about 60 days. Full zone 5 guide (both 5a and 5b) →
Not sure which half-zone you're in? 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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