When to Plant Oregano in Zone 3
In USDA zone 3, start seeds indoors around April 4, transplant or plant outdoors June 13 to September 6, and expect your first harvest around September 6.
Oregano planting calendar for USDA Zone 3
Start seeds indoors
Apr 4
Transplant outdoors
Jun 13
Projected first harvest
Sep 6
Oregano is ready to harvest in about 85 days. 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 oregano
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 oregano need about 85 days to mature.
Varieties to grow
1 variety of oregano in the HomeSown library. Tap any for its full grow guide.
Common problems with oregano
What to watch for, with identification and treatment for each
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