Tomatoes with asparagus
Beans with carrots, corn, and cauliflower
Beets with onions or kohlrabi
Members of cabbage family with potatoes or celery or aromatic herbs
Leeks with onions, celery or carrots
Turnips with peas
Pole beans and radishes
Plants that grow tall (beans, corn) can be planted on the sunny side of those that like some shade (squash, eggplant, peppers).
Plant onions close together (approx. 2 inches) and pull out those that are closer than 5-6 in. apart to use as green onions.
When onions are harvested, pop in a lettuce start in its spot in early fall or spring harvests.
Roses like garlic and leeks.
Plant tomatoes with roses to help with black spot.
Corn likes potatoes, peas, beans, cucumber, pumpkin & squash.
Beans with onions, garlic or gladiolus
Beets with pole beans
Cabbage family with strawberries, tomato or pole beans
Potatoes with pumpkin, squash, cucumber, tomato, sunflower, or raspberry.
Bush beans and fennel
Plant summer savory with beans (and cook together too)
Plant chamomile with onions and cabbages
Plant marigold with eggplant
Plant basil with tomatoes
Plant oregano with broccoli
Plant rosemary with carrots, onions, leeks
Plant nasturtiums with squash
Nasturtiums improve growth and flavor of nearby fruits and vegetables