That was going to be my next question.How long do you wait to take seeds.
I have harvested poppies and pulled the whole plant when the pods were green and the bottom leaves were brown.I hang the plants upside down with a bag tied around the seedpods. When everything is dead I just shake the bag and all .I can hear the d=seeds in the bag.
The larkspurs I have are Galallee blue and I have not seen them since I bought them 3 years ago.
I would like to keep the colors to just that blue.