When to Plant Skullcap in Utah
Utah spans USDA hardiness 4a to 8b (zones 4a to 8b on this page). Plant skullcap 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
Skullcap planting calendar for Utah, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Mar 20
Transplant outdoors
May 29
Projected first harvest
Aug 7
Skullcap is ready to harvest in about 70 days. Full zone 4 guide (both 4a and 4b) →
Skullcap planting calendar for Utah, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Start seeds indoors
Mar 10
Transplant outdoors
May 19
Projected first harvest
Jul 28
Skullcap is ready to harvest in about 70 days. Full zone 5 guide (both 5a and 5b) →
Skullcap planting calendar for Utah, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Start seeds indoors
Mar 5
Transplant outdoors
May 14
Projected first harvest
Jul 23
Skullcap is ready to harvest in about 70 days. Full zone 5 guide (both 5a and 5b) →
Skullcap planting calendar for Utah, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Start seeds indoors
Feb 28
Transplant outdoors
May 9
Projected first harvest
Jul 18
Skullcap is ready to harvest in about 70 days. Full zone 6 guide (both 6a and 6b) →
Skullcap planting calendar for Utah, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Feb 23
Transplant outdoors
May 4
Projected first harvest
Jul 13
Skullcap is ready to harvest in about 70 days. Full zone 6 guide (both 6a and 6b) →
Skullcap planting calendar for Utah, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Feb 18
Transplant outdoors
Apr 29
Projected first harvest
Jul 8
Skullcap is ready to harvest in about 70 days. Full zone 7 guide (both 7a and 7b) →
Skullcap planting calendar for Utah, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Feb 13
Transplant outdoors
Apr 24
Projected first harvest
Jul 3
Skullcap is ready to harvest in about 70 days. Full zone 7 guide (both 7a and 7b) →
Skullcap planting calendar for Utah, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Start seeds indoors
Feb 4
Transplant outdoors
Apr 15
Projected first harvest
Jun 24
Skullcap is ready to harvest in about 70 days. Full zone 8 guide (both 8a and 8b) →
Skullcap planting calendar for Utah, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Start seeds indoors
Jan 23
Transplant outdoors
Apr 3
Projected first harvest
Jun 12
Skullcap is ready to harvest in about 70 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 skullcap in the HomeSown library. Tap any for its full grow guide.
Common problems with skullcap
What to watch for, with identification and treatment for each
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