Question: what could be eating my gardenia leaves?
Answer: Grubs and/or earwigs are generally what eat gardenia leaves. To control the earwigs spread Baysol (snail bait) around your plants every two to three weeks. To control grubs and caterpillars spray with a product called Dipel. ... Soapy water can sometimes help but some soaps and detergents can be harmful to your plants.