When to Plant Catnip in Zone 3
In USDA zone 3, plant outdoors May 16 to August 14, and expect your first harvest around August 14.
Catnip planting calendar for USDA Zone 3
Direct sow
May 16
Projected first harvest
Aug 14
Catnip is ready to harvest in about 90 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 catnip
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 catnip need about 90 days to mature.
Varieties to grow
1 variety of catnip in the HomeSown library. Tap any for its full grow guide.
Common problems with catnip
What to watch for, with identification and treatment for each
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