When to Plant Basil in Zone 3
In USDA zone 3, start seeds indoors around April 18, transplant or plant outdoors June 13 to August 17, and expect your first harvest around August 17.
Basil planting calendar for USDA Zone 3
Start seeds indoors
Apr 18
Transplant outdoors
Jun 13
Projected first harvest
Aug 17
Most basil mature in about 60 to 75 days depending on the variety. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 3 means for basil
Average last spring frost
May 30
Average first fall frost
September 10
Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and basil need about 60 to 75 days depending on the variety to mature.
Varieties to grow
7 varieties of basil in the HomeSown library. Tap any for its full grow guide.
Common problems with basil
What to watch for, with identification and treatment for each
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