Polly, normally the NALS seed sale runs from mid March to end of May but they cut it short this year. They are looking for new seed chairmen and if no one volunteers there will be no sale next year. It's a lot more work than you would think and really, it's a two person job, at a minimum.
I'll send you some seeds this fall. Now-a-days I think my stuff is better than theirs. But my first experience with lily seeds was a purchase from Cascade and I was immediately addicted. Their seed list back in the 90s was four pages long!
