When to Plant Mullein in Zone 9
In USDA zone 9, plant outdoors March 15 to May 14, and expect your first harvest around May 14.
Mullein planting calendar for USDA Zone 9
Direct sow
Mar 15
Projected first harvest
May 14
Mullein is ready to harvest in about 60 days. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 9 means for mullein
Average last spring frost
March 1
Average first fall frost
December 1
Those two dates are what set the schedule above. Zone 9 gives you roughly 275 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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