When to Plant Shiso in Utah
Utah spans USDA hardiness 4a to 8b (zones 4a to 8b 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 4a · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a · Zone 8b
Shiso planting calendar for Utah, 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 Utah, 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) →
Shiso planting calendar for Utah, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Start seeds indoors
Mar 19
Transplant outdoors
May 7
Projected first harvest
Jul 6
Shiso is ready to harvest in about 60 days. Full zone 5 guide (both 5a and 5b) →
Shiso planting calendar for Utah, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Start seeds indoors
Mar 14
Transplant outdoors
May 2
Projected first harvest
Jul 1
Shiso is ready to harvest in about 60 days. Full zone 6 guide (both 6a and 6b) →
Shiso planting calendar for Utah, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Mar 9
Transplant outdoors
Apr 27
Projected first harvest
Jun 26
Shiso is ready to harvest in about 60 days. Full zone 6 guide (both 6a and 6b) →
Shiso planting calendar for Utah, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Mar 4
Transplant outdoors
Apr 22
Projected first harvest
Jun 21
Shiso is ready to harvest in about 60 days. Full zone 7 guide (both 7a and 7b) →
Shiso planting calendar for Utah, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Feb 27
Transplant outdoors
Apr 17
Projected first harvest
Jun 16
Shiso is ready to harvest in about 60 days. Full zone 7 guide (both 7a and 7b) →
Shiso planting calendar for Utah, 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. Full zone 8 guide (both 8a and 8b) →
Shiso planting calendar for Utah, 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. Full zone 8 guide (both 8a and 8b) →
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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