I've never tried to gather the seeds but I cut my entire patches down 2weeks ago. I love oriental poppies but they take up soon much room and keep multiplying every year.
A dog wags his tail with his heart
Dogs have Masters--Cats have Staff
Rest in Peace Bailey: 12/10/95-1/9/09 (Golden Retriever)
Rest in Peace Kitty: 7/1/2000 - 10/7/2013
Gryphon (sounds like Griffin): 10-14-2004 (English Springer Spaniel)
Mollie: 6-2-2009 (English Setter)
Bella: LHD Cat adopted by/from Child