Extension Network Sites > Pacific Northwest Vegetable Extension Group > Photo Gallery of Vegetable Problems Photo Gallery of Vegetable Problems Asparagus Basil Bean Beet Brassicaceae Brassicaceae (cruciferous) weeds Broccoli Cabbage Cauliflower Radish Carrot Coriander/cilantro Cucurbits Cucumber Pumpkin Squash Watermelon Eggplant Garlic Lettuce Onion/Allium Pea Pepper Potato Spinach Sweet Corn Swiss Chard Tomato Diseases, pests, and other problems common to many vegetables