Read more: 15 Flowers You Can Grow To Ward Off Insects The Northern catalpa tree (Catalpa speciosa) is deciduous and a perennial, meaning it drops its leaves in the fall and the flowers grow back ...

Choose from northern catalpa (Catalpa speciosa) or southern catalpa (Catalpa bignonioides), depending on your region. These trees are covered with beautiful white blooms in May and June when many ...