By Liz Baessler Bok choy is a great vegetable to add to your arsenal of greens. Popular in Asian cooking, it can also be added to most recipes. But what do you do when your bok choy starts to fail? Keep reading to learn more about bok choy problems and how to combat common bok choy diseases and pests. Common Bok Choy Problems Bok choy is very attractive to bugs, and some of them can do serious damage. Here are the most prevalent bok choy pests: Cabbage maggots Flea beetles Tarnished plant bugs Cutworms Leafminers Aphids Seedcorn maggots Slugs Whiteflies Vegetable weevils A lot of these pests can be combatted with row covers and crop rotation. Another useful method is growing bok choy as a fall crop, when pests are past their natural growing season lifecycle. This is especially effective when combatting vegetable weevils. If natural methods fail, use insecticides.