white growth on lantana camara stems

Question

Our Lantana camara has a “white powdery” growth on the stems, also white discoloration under some leaves. It is spreading to other Lantana bushes also.

Answer 1

This is likely Powdery Mildew.
It can be common if conditions are damp or poor air circulation.

Here is a link with more information and how to treat the plants.

https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm