Bush Bean Friends Savory Chinese Cabbage Borage Dill Cucumber Nasturtium Potato Cabbage Kohlrabi Red Radish Radish Beetroot Lettuce Sage Celery Spinach Tomato Strawberry Foes Pea Fennel Garlic Bell Pepper Leek Chive Onion Notes Savory protect the beans from the black bean aphid; its scent benefits the bean’s growth and flavor.