The Beautiful Catalpa Tree, Huge Flowers and Fishing Bait Hudson Valley Gardens Catalpas THE GARDEN WEBSITE.COM Catalpa Campus Trees Northern Catalpa Ohio Department of Natural Resources In autumn, mature catalpa seed pods turn brown and often hang on the tree through late fall and into winter. Today's @marthastewartblog looks at some of the seeds, berries, and cones of Northern Catalpa Catalpa Speciosa Deciduous Trees Cold Stream Farm