If you are interested in collecting seeds from your peony, wait until the pods are truly ripe. They turn brown and leathery and begin to split open when it’s time
Growing Guide for Peonies: Plant Care Tips, Overwintering, and More
Growing Peonies from Seed – Cricket Hill Garden
Harvesting Peony Seeds : r/gardening
Peony Poppy Seed Packet Collection - Seed Needs – Seed Needs LLC
Peony seed pods hi-res stock photography and images - Alamy
Growing Peonies from Seed – Cricket Hill Garden
Peony Poppy Seed Packet Collection - Seed Needs – Seed Needs LLC
Growing Peonies from Seed – Cricket Hill Garden
Growing Peonies From Seed Wrightman Alpines Nursery