My Orange Rocket Barberry plants Appear To Be Dying. What’s Causing This, And How Can I Save Them?
At first the plants looked like something was eating them, maybe weevils? However, I didn't find any weevils or weevil larvae.
Certified GKH Gardening Expert
It is hard to say, as the pictures aren't clear enough to see the damage, but it looks like it could be a mealybug infestation. These articles will help: https://www.gardeningknowhow.com/plant-problems/pests/insects/mealybugs-control.htm