By Lauraj
Kent,
United Kingdom 
Hi all, today at last I have blooms out everywhere and the wind and rain hasn't destroyed them. Very happy in the garden. My question is, my giant 'banana custard' Mullein or Verbascum ( as they are called ) is in its full glory. Friends want seeds. Have any of you ever grown Mullein from seed ? Any tips ?
On plant
Giant Verbascum Mullein from seed
30 Jun, 2012
Answers
Thank you. I do have a greenhouse so I shall follow your advice.
30 Jun, 2012
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Many verbascums are rather slow growing perennials or biennials, but it would be best to sow the seed when fresh as soon as you harvest it, in a seed tray or modules, under cover. Prick on the tiny plants (germination can be erratic but usually at least two weeks) as soon as large enough to handle into small pots.
I would keep them under cover during winter when they will die down and plant them out in permanent positions once they are growing away next spring.
If you don't have a greenhouse, I would sow them in the spring in a tray of compost but it will take longer to get them to flowering size.
30 Jun, 2012