When to Plant Mullein in Zone 6
In USDA zone 6, plant outdoors May 9 to July 8, and expect your first harvest around July 8.
Mullein planting calendar for USDA Zone 6
Direct sow
May 9
Projected first harvest
Jul 8
Mullein is ready to harvest in about 60 days. Dates use USDA zone 6a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 6 means for mullein
Average last spring frost
April 25
Average first fall frost
October 10
Those two dates are what set the schedule above. Zone 6 gives you roughly 168 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
🌱 Grow mullein with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →