I noticed a wet appearance on a portion of my deck under a magnolia, and also a black growth on its leaves. The branches of the tree seem to have lumps on them. What is this, and what can I do to help ...

My magnolia had a problem with magnolia scale last year. Will it come back, and should I take some action to protect my tree? The leaves were covered in a black mold late last summer. — Frank Butler, ...

Magnolia scale is one of the largest soft scales found in the U.S. and feeds on the sap of magnolias, particularly star magnolia, lily magnolia, cucumber tree magnolia, and saucer magnolia. Tuliptree ...

I got an email with some pictures a few years ago asking me about magnolia scale, which is a topic I have written about for a number of years. I feel confident the insect was magnolia scale. The ...

Question for Dan Gill: I have a Japanese magnolia tree that appears to have a problem. I first noticed a black deposit on the leaves and branches. Looking closely, I see small waxy yellow blobs along ...

My Japanese magnolias have this horrible disease that causes tan-colored growths that look like boils on the branches, and they attract flies. A black mildew is on the leaves, and the leaves ...

Magnolia scale (Neolecanium cornuparvum) is a soft scale insect that attacks only magnolia trees, including the popular star magnolia (Magnolia stellata) and saucer magnolia (Magnolia x soulangiana).

Long Beach is home to 7,000 magnolia trees, but that number may shrink in the coming years, thanks to a pest known as the tuliptree scale. The insects, which favor plants in the magnolia family, suck ...