By Psychenurse
United Kingdom 
I grew some Cosmos from seed last year and they did really well ...probably very easy to grow but I'm new to growing stuff from seed so felt very pleased ! Can I collect seeds from the flowers and grow them on for next year ?
7 Sep, 2011
Answers
Thankyou Kildermorie for taking the time to reply ,thats great !
7 Sep, 2011
I did the same last year and thought that they would self-seed but they didn't. I was disappointed not to have any cosmos this year. So, yes, you'll need to store them to sprinkle next year.
7 Sep, 2011
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Yes of course - collect the seeds from the flower heads and store them over winter. I've been collecting them for a few weeks now.
7 Sep, 2011