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 ...

We see it all in the Plant Clinic, and this summer we’ve been seeing a lot of Acanthococcus lagerstroemiae or crapemyrtle bark scale. This invasive insect from southeast Asia first appeared in the ...

For five years, our pink-flowered magnolia had large black ants on it. Now it also has black and white bees. The leaves are turning black. It gets full sun. Any suggestions? It’s likely that your ...