This medium-sized tree typically reaches a height of 9 to 15 meters (30 to 50 feet) and spreads about the same distance, forming a broadly rounded crown. The leaves of Catalpa bignonioides ‘Aurea’ are large, heart-shaped, and approximately 10 to 20 centimeters (4 to 8 inches) in length. They emerge in spring as bright yellow or chartreuse, transforming to a rich golden-yellow colour as they mature. The foliage provides a dramatic and eye-catching display throughout the growing season.

The golden foliage of Catalpa bignonioides ‘Aurea’ provides an attractive contrast and focal point in gardens and landscapes. It is often used as a specimen tree, creating a striking visual impact. The fragrant flowers and interesting seed pods further contribute to its appeal.