When to Plant Ashwagandha in Zone 4
In USDA zone 4a, start seeds indoors around April 3, transplant or plant outdoors May 29 to November 25, and expect your first harvest around November 25. (4a shown here — see 4a and 4b dates separately below.)
Ashwagandha planting calendar for USDA Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Apr 3
Transplant outdoors
May 29
Projected first harvest
Nov 25
Ashwagandha is ready to harvest in about 180 days, needing roughly 128 frost-free days in zone 4a.
Ashwagandha planting calendar for USDA Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Start seeds indoors
Mar 29
Transplant outdoors
May 24
Projected first harvest
Nov 20
Ashwagandha is ready to harvest in about 180 days, needing roughly 138 frost-free days in zone 4b.
Not sure whether you're in 4a or 4b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of ashwagandha in the HomeSown library. Tap any for its full grow guide.
Common problems with ashwagandha
What to watch for, with identification and treatment for each
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