Panther's aren't known for eating plant life, but it could always happen. You could try a larger Ficus benjamina or a Dracaena deremensis(https://www.chameleonforums.com/gallery/showimage.php?i=2445). Also you can use plant stands and stagger shorter plants.
Yeah, they aren't as hardy as some plants(Pothos, Schefflera arboricola), I usually ahve three or four out of rotation that I can bring outside and when I clean their cages I usually rotate them out. If you are having this issue a lot try a Schefflera arboricola instead of a Schefflera...
Check out these blogs below:
https://www.chameleonforums.com/blogs/jannb/325-info-new-keepers-young-veiled-panther-chameleons.html
https://www.chameleonforums.com/blogs/chameleoholic/467-rasing-panther-babies.html