Vegetable Companion Planting Reference
Companion Planting for Edible Crops
| Crop | Compatible companions | Incompatible | ||
| Asparagus | tomato, parsley, basil | |||
| Beans | most vegetables and herbs | onion, garlic, gladiolus | ||
| Beans, bush | Irish potato, cucumber, corn, strawberry, celery, summer savory | onion family | ||
| Beans, pole | corn, summer savory, radish | onion, beets, kohlrabi, sunflower | ||
| Beets | cabbage and onion families, lettuce | pole beans | ||
| Cabbage family | aromatic herbs, celery, beets, onion family, chamomile, spinach, chard | dill, strawberry, pole beans, tomato | ||
| Carrots | English peas, lettuce, rosemary, onion family, sage, tomato | dill | ||
| Celery | onion and cabbage families, tomato, bush beans, nasturtium | |||
| Corn | Irish potato, beans, English peas, pumpkin, cucumber, squash | tomato | ||
| Cucumber | beans, corn, English peas, sunflowers, radish | Irish potato, aromatic herbs | ||
| Eggplant | beans, marigold | |||
| Lettuce | carrot, radish, strawberry, cucumber | |||
| Onion family | beets, carrot, lettuce, cabbage family, summer savory | beans, English peas | ||
| Parsley | tomato, asparagus | |||
| Peas, English | carrots, radish, turnips, cucumber, corn, beans | onion family, gladiolus, Irish potato | ||
| Potato, Irish | beans, corn, cabbage family, marigolds, horseradish | pumpkin, squash, tomato, cucumber, sunflower | ||
| Pumpkins | corn, marigold | Irish potato | ||
| Radish | English peas, nasturtium, lettuce, cucumber | hyssop | ||
| Spinach | strawberry, fava beans | |||
| Squash | nasturtium, corn, marigold | Irish potato | ||
| Tomato | basil, onion family, nasturtium, marigold, asparagus, carrot, parsley, cucumber | corn, Irish potato, fennel, cabbage family | ||
| Turnip | English peas | Irish potato |
Source: Edible Landscaping Handbook, Companion Planting Chart for Home & Market Gardening, pg 15, prepared for the UCCE Master Gardener Program by the California Center for Urban Horticulture, UC/Davis. Original Source: ATTRA (Appropriate Technology Transfer for Rural Areas) Companion Planting: Basic Concepts & Resources.