When to Plant Mullein in Zone 3
In USDA zone 3, plant outdoors June 13 to August 12, and expect your first harvest around August 12.
Mullein planting calendar for USDA Zone 3
Direct sow
Jun 13
Projected first harvest
Aug 12
Mullein is ready to harvest in about 60 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 mullein
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 mullein need about 60 days to mature.
Varieties to grow
1 variety of mullein in the HomeSown library. Tap any for its full grow guide.
Common problems with mullein
What to watch for, with identification and treatment for each
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