The leaves generally do not color in autumn before falling, instead, they either fall abruptly after the first hard freeze, or turn a slightly yellow-brown before dropping off. The catalpa tree is the last tree to grow leaves in the spring.
The leaves typically do not change color in autumn before falling, instead, they either drop off suddenly after the first hard frost, or turn a slightly yellow-brown before falling off. The catalpa tree is the last tree to grow new leaves in the spring.