Curls can be cute on a person’s hair, on poodles, sheep, and, of course, on a pig’s tail. But they’re not so cute on trees or plants. 99.9% of us have seen leaf curl on citrus trees. Disturbing as ...

Q: I’m experiencing leaf curling on my mature lemon tree, most notably on the new leaf growth. Most of the new growth is also much larger in leaf size than on the established limbs. This tree flowered ...