leaves on gardenias chewed in circles

Question

The leaves on my young gardenia plants are being chewed from edge into a circle. What is doing this, and how do I stop it?

Answer 1

If the plant is outdoors, then it could be snails or, more likely, slugs. Both come out to feed at night. Here is more information that should help: https://www.gardeningknowhow.com/plant-problems/pests/organic-snail-control-how-to-control-garden-snails.htm
https://www.gardeningknowhow.com/plant-problems/pests/facts-about-slugs-and-how-to-kill-garden-slugs.htm

Most other types of pests can be treated with neem oil. Here is more information: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm