Catalpa Trees Have Roots Dating Back To Early Severna Park Severna Park The Beautiful Catalpa Tree, Huge Flowers and Fishing Bait Hudson Valley Gardens Catalpa Tree Pods Smoke Smoke Catalpa Pods Indian bean tree (catalpa tree) bean uses? : r foraging No these aren't giant tree green beans, but instead the seed pod of the northern catalpa. These bean like pods can grow to be 20" long and contain numerous 1" long seeds. #haverfordcollegearboretum # Winter Trees and Shrubs: Northern Catalpa awkward botany Catalpa Tree Pods Smoke Smoke Catalpa Pods Forest Resources Center & Arboretum