I have a Hibiscus plant that looks like it might have a pest influx or mildew problem. Leaves are yellow with spots on them. Some look like they have been eaten by bugs. Any idea what might be causing this ?
Certified GKH Gardening Expert
There are a few pests that can be issues with Hibiscus; Spider Mites are quite common.
Treat your plant with Neem Oil.
Here are some links with more information.