Western Catalpa, Catalpa Speciosa
This is a large irregularly shaped shade tree with a height of up to 50 feet and a spread of up to 35 feet. White aromatic flowers cover the tree in early summer. Catalpas will produce long cigar-shaped pods hanging from the tree in late summer through the fall. The leaves are the largest of any tree in Colorado growing up to 7 inches wide. The tree is tolerant of dry sites.