holes in hibiscus leafs
what is eating holes in our hibiscus leafs , leafs look like lace sometimes the whole bush( leafs) are eaten.
Saginaw County Michigan
Unfortunately, it sounds like your leaves have been attacked by Japanese beetles. Hibiscus is a favorite of theirs. Below is an article about Japanese beetles and suggestions about how to control them. One of the easiest methods is to go out in the evening when the adults are around with a jar of soapy water and knock the sleeping adults into the jar. There are probably few adults around at this time of year but it is something to think about for next year.