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 Catalpa Tree Seeds for Planting 50 Seeds to Grow Stunning Flowers, Large Leaves, and Bean Like Seed Pods CZ Grain A Catalpa Tree in My Garden The Beautiful Catalpa Tree, Huge Flowers and Fishing Bait Hudson Valley Gardens