What You Need to Know to Save Sweetgum Seeds for Stratification and Planting - YouTube
Trees: Sweetgum | Henry E. Hooper
Calyx Native Nursery - Here's how to collect seeds from Liquidambar styraciflua, American Sweetgum Trees Seed collection is done in the fall when the spiky Sweetgum fruit begin to turn brown, just
little*big*harvest: I Never Knew That! --Sweetgum Balls