Southern catalpa is hardy in USDA zones 5-9, while the slightly more cold-tolerant Northern catalpa is hardy in USDA zones 4-8. Light Catalpa trees prefer full sun or partial shade.

Our Southern catalpa has a close relative, the Northern catalpa (C. speciosa). Both the Southern and Northern catalpas can be found growing all across the South. They are difficult to tell apart, but ...

Whether a northern, southern or hybrid, each catalpa tree produces copious white flowers with purple and orange patches inside, in early summer. Later, the trees develop long, cigar-like green ...

Flowering trees can make a big statement when they're in full bloom. Every yard should have at least one such tree.

The answer is no. Catalpa worms are the larva of the catalpa sphinx moth. They feed on nothing in the world but catalpa foliage. The moths are attracted to the trees, pollinate the flowers, and ...

Catalpa is a large tree with showy white, fragrant flowers, massive heart-shaped leaves, and dangling bean-like seed pods on a twisting trunk and contorted branches.

The white flowers, their throats speckled purple and yellow and grouped together on stalks like Catalpa has much going for it Skip to main content Skip to main content ...