Fight leaf spot fungus with fungicide treatments and early prevention Black or brown leaf spots on magnolia leaves can develop when the tree grows under stress, Like many ornamental trees and ...

So I spoke to some experts about why magnolia trees lose leaves, ... Disease. Fungal diseases can cause leaves to develop white, brown, or black spots and ultimately drop from the tree.

Q. We have four mature, healthy magnolias in our yard — well, make that three. Some weeks back, one started showing signs of what appear to be dying leaves. Most of the branches still seem OK… ...

Last year, a gray-green fungus appeared on the bark of the tree, and an abnormally high level of leaf drop occurred. This year, the fungus is all over the tree. It's on every branch.

A sweet bay magnolia tree is fairly easy to grow, but it can be susceptible to various pests and diseases, such as leaf spot. News Sports Business Life & Events Advertise Obituaries eNewspaper Legals.

My fairly large magnolia tree is heavily infested with scale. What can I do? It has also been losing quite a few leaves lately. Since your tree is so large and heavily infested, I would recommend ...