NOT LIKING LICHEN
› I live in Baton Rouge, Louisiana, and have a redbud tree about 10 feet tall that blooms wonderfully. Lichen is growing on the trunk and branches, which I think is a sign of stress. Any advice would be appreciated.
» Those gray-green patches called lichens are common and harmless in themselves. They simply use the trunks and branches for support. But you’re correct about the stressed part. Stressed trees have fewer leaves, allowing more sun to penetrate the canopy. Lichens like the