There is another window to treat for magnolia scale in late August, when the eggs hatch as crawlers. At that time, use ...

They can cause allergies or other health problems. Similarly, black, gray, or dark green spots may be sooty mold, which is ...

This works well if there are only small colonies present on your tree. The sooty mold does not harm the tree and can simply ...

Homeowners may notice a black, waxy buildup covering their plants, sparking concerns about ... "That black stuff? It's sooty mold," Wilson explained. "It’s actually an after-effect of the ...

The scale itself will not kill the plants. However, the sooty mold is the real problem. The more insects, the more sooty mold there is. The mold covers the leaves which reduces photosynthesis.

Honeydew, a sugary excrement, can be seen on bark and leaves Sooty mold can follow honeydew and turn bark and leaves black and gray (Figure 2). It is not a pathogen but will discolor plants Crape ...

This honeydew will then eventually turn black as it is colonized by fungi called sooty mold. Crape myrtles are the most popular summer flowering tree in the U.S. Although rarely fatal to the trees ...