Hi Susie!
I didn't know you were on ATP. I guess you've been here since day One, so I can;t say "Welcome!" ... but it's good to see you.
Sorry, I have no Macleaya cordata.
http://garden.org/lists/plant/...
@rakami might trade seeds.
These members Have the plant (or maybe seeds). One of them might know where you can find seeds.
@calconey
@chelle
@Bonehead
@Thalictrum (Noordwijk, The Netherlands)
@gardengus also wants it.