When to Plant Mother of Thyme in Zone 3
In USDA zone 3a, start seeds indoors around April 4, transplant or plant outdoors May 30 to August 28, and expect your first harvest around August 28. (3a shown here — see 3a and 3b dates separately below.)
Mother of Thyme planting calendar for USDA Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
Start seeds indoors
Apr 4
Transplant outdoors
May 30
Projected first harvest
Aug 28
Mother of Thyme is ready to harvest in about 90 days, needing roughly 103 frost-free days in zone 3a.
Mother of Thyme planting calendar for USDA Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Start seeds indoors
Mar 25
Transplant outdoors
May 20
Projected first harvest
Aug 18
Mother of Thyme is ready to harvest in about 90 days, needing roughly 118 frost-free days in zone 3b.
Not sure whether you're in 3a or 3b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of mother of thyme in the HomeSown library. Tap any for its full grow guide.
Common problems with mother of thyme
What to watch for, with identification and treatment for each
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