Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Since summer seems interminable this year, I’m desperate for signs of fall. Several catalpa trees on my daily drive have caught my eye recently with their large leaves sporting a yellow autumnal color. Catalpa is known as a fisherman’s tree since it the larval food source for the catalpa sphinx moth. It has large, ten inches or so across, heart-shaped leaves that are yellow-green. Their fall color is described as