Everything You Need to Grow a Thriving Catalpa Tree The catalpa has long been a popular tree for its appearance. It has unique, lush green and heart shaped leaves, clusters of orchid-like flowers in spring, and distinctive “cigar” seed pods that sway above through the dappled light shining through the tree. Here is a clear, practical guide to planting and taking care of a catalpa tree. Including growing site choice to seasonal care for people who are ready to dig in and watch their tree prosper. --- Quick tips in caring for a Catalpa Sunlight: Needs at least 6 hours of direct sun; some afternoon shade tolerated. Soil: Is adaptable but prefers well-drained, moderately moist, fertile ground. Water: Needs steady moisture until established but don't overwater; once established, drought-tolerant. Growth: Fast. Mature height up to 60ft, spread to 40ft. Best planting: Spring or fall during cool conditions. --- Step-by-Step: Planting the Catalpa Tree Choose the Best...