Campania International Scroll Handle Large Planter Multi Purpose Garden Insect Killer 32 oz (Ready to Use) How to Grow Lemon Trees from Seed (& Other Citrus Fruits) 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 Garden Supplies, Potting Supplies, Garden & Backyard