Purple Catalpa - Catalpa erubescens 'Purpurea'&lt;br /&gt;
Young leaves of this Catalpa are deep blackish-purple, turning to purple toned green in summer.  Large leaves 10-12 inches long.  Clusters of white flowers lightly speckled with yellow or purple in late spring.  Mature height is 30-40 feet with a spread of 25-30 feet.  Cold hardy to U.S.D.A.  Zone 5.