How to grow Purple Mullein

Verbascum phoeniceum

Plant in a bright position, flowers usually in the second summer.

Growing Purple mullein from seed

Tiny seeds cover only lightly. Sow thinly and transplant as soon as the seedlings are large enough to handle. Grow on into individual pots and allow the plant to establish. May bloom in the first year if started very early. Alternatively sow until mid summer and grow on under glass in the first winter

By our calculations*, you should look at sowing Purple mullein about 49 days before your last frost date .

Transplanting Purple mullein

Plant out established plants at the end of the summer in the flowering position, allow at least 15cm between plants.
Choose a bright position at the front to middle of the border

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Purple mullein is a hardy plant.

How long does Purple mullein take to grow?

These estimates for how long Purple mullein takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Purple mullein to germinate?
13 days

Average 13 days | Min 13 days | Max 14 days (2)

Days to Transplant How long until I can plant out Purple mullein?
+ 28 days

Average 28 days | Min days | Max days (0)

Days to Maturity How long until Purple mullein is ready for harvest / bloom?
+ 310 days

Average 310 days | Min 310 days | Max 310 days (1)

Total Growing Days How long does it take to grow Purple mullein?
= 351 days

When should I plant Purple mullein?

Our when to plant Purple mullein estimates are relative to your last frost date.

When to sow The number of days to sow Purple mullein before or after your last frost date.
49 days before Last Frost Date

Other names for Purple mullein

Mullein, Rosetta verbascum

Misspellings: Verbascum phoenicium

Footnotes


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