I have a Hibiscus plant (tree). I see very small white specks on the leaves. What are they? I only have the one plant and have kept it outside. Now as cooler weather approaches, can I bring it in with these white specks. Also, there are some small holes in the leaves of it.
Certified GKH Gardening Expert
The small white specks could be either powdery mildew fungus, a white scale insect (mealybug), or the shed skeletons of a small insect such as whiteflies or aphids. Try to treat or remove the pests before bringing it inside to protect your indoor plants. Here is more about these problems: