Seed can be harvested while green

Golden Alexander seed is harvested green and stored in bags to dry. This prevents a loss of seed when matured in the field.

Blessman, Gary; Flood, Roberta Mountz; Horvath, David J.. Propagation protocol for production of Zizia aurea; Illinois Department of Natural Resources - Mason State Nursery Topeka, Illinois.. [accessed 2026 Sep 04] Available from: https://npn.rngr.net