How long does mullein take to grow?

Mullein is ready to harvest in about 60 days, measured from planting.

When to Plant Mullein

Plant mullein by your frost dates, not the calendar: plant outdoors about 2 weeks after your last frost. Pick your USDA zone below for exact dates.

Mullein planting calendar

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Direct sow

Apr 29

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Projected first harvest

Jun 28

JJan

FFeb

MMar

AApr

MMay

JJun

JJul

AAug

SSep

OOct

NNov

DDec

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a — approximate

Mullein is ready to harvest in about 60 days. Dates above use zone 7 as a reference point. Pick your zone below, or set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

1 variety of mullein in the HomeSown library. Tap any for its full grow guide.

Mullein →

Common problems with mullein

What to watch for, with identification and treatment for each

Mullein Moth Four-Lined Plant Bug Common Stalk Borer Groundhogs Ants Aphids Anthracnose Damping-Off Frost & Cold Injury Gray Mold Herbicide Injury Mosaic Virus

🌱 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 →

When to plant mullein in your zone

Zone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →Zone 10 →