The Q&A Archives: Eugenia topiary trees

Question: The leaves of both of my Eugenia Syzgium Panipilatum (not sure of the spelling)topiary plants are turning yellow with brown and white spots and the under side have what appears to be white scales. Some sections of the plants have no leaves. I have been told that it needs more water, more sun, too close to the house. I am not sure those are the reasons. What can I do?

Thanks in advance for your help.

Answer: Eugenia Monterey Bay Syzygium Paniculatum is quite prone to scale insects. These little pests are difficult to control, especially if the population is large. The scales attach themselves to the stems and leaves of the plants and suck the fluids, eventually killing the plant. Because of their hard outer shells, they are difficult to eradicate with pesticides. You can try, but it will be an on-going battle. Daconil ultrex, Heritage, or Sygon can work against these pests, but the residual oil can damage the foliage of the plant, especially if used during the summer months when sunshine directly hits the foliage.

The good news is that Eugenia responds well to pruning. You may want to simply prune the affected plant parts back to get rid of the problem.

Best wishes with your Eugenia!

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