I would love to know how you always get seeds from everything.
I just let my flowers flower and then they are gone. There must be some point where I should be taking the seed before the head dies off.
I do not need any seed, but a neighbour of mine with a new pond would like to have a bit. You can send it here as you already have my address (or had it anyway as I have had some great plants from you) I will give you some postage - as each time you have sent without my reimbersing you
and over time it all adds up.