Companion Plants Protection: Helps Plants fend off a variety of plant issues
Companion plant protection keeps your garden healthy and may offer nutritional benefits. The list of companion plants is continually expanding. This page will be updated as we learn more about companion plants and what or how they interact with other plants, insects, and diseases.
Crop | Companion Plant | Plant Apart | Garden Benefits |
| Alliums, Garlic, Leeks, Onions, Chives | Tomatoes, Carrots, Strawberries, Beets, Cucumbers, Celery, Lettuce, Peppers, Squash, Cucumber, Savory | Beans And Peas | Deters Carrot Flies, Aphids, Weevils, Fruit Tree Borers, Moles, Rust Flies, Nematodes, Spider Mites, Black Spot, and Mildew |
| Basil | Asparagus, Tomatoes, Peppers | Basil deters Tomato Hornworms, Thrips, Asparagus Beetles, Aphids, Flies, Mosquitoes, and Spider Mites. | |
| Bush Beans | Beets, Carrots, Celery, Cucumber, Corn, Eggplant, Potato, Strawberry | Alliums, Fennel | Nitrogen Fixing. Deters Colorado Potato Beetle |
| Beets | Bush Beans, Cabbage, Onion, Sage | Can Cross-Pollinate With Swiss Chard | |
| Cabbage | Bush Beans, Beets, Celery, Mint, Oregano, Onions, Savory, Tomatoes, Marigolds, | Pole Beans | |
| Broccoli, Cauliflower, Brussels Sprouts, Bok Choy, Kale | |||
| Chervil | Radishes, Turnips | Improves Growth And Flavor Of Radishes And Turnips | |
| Carrots | Bush Beans, Pole Beans, Lettuce, Onion, Chives, Peas, Radish, Tomatoes, Sage | Dill | Carrots improve the growth and flavor of Cauliflower And Chives. Can Cross With Wild Carrot (Queen Anne’s Lace). Attracts Predatory Wasps |
| Celery | Bush Beans, Cabbages, Cauliflower, Onions, Spinach, Tomatoes | Deters White Cabbage Moths | |
| Coriander, Cilantro | Cabbages, Kale | Deters Aphids while attracting Honey Bees. | |
| Corn | Pole Beans, Pumpkins And Squash, Peas, Cucumbers, Potatoes, Cornflower | Tomatoes | A Heavy Feeder, Corn Benefits From A Nitrogen Fixer Nearby |
| Cucumbers | Peas, Beans, Lettuce Radishes, Sunflowers, Nasturtiums, Marigolds | Potatoes, Aromatic Herbs | Will Grow Up Trellises, Sunflowers, Or Corn Stalks Anchoring Them Against WindAnd Holding Fruits Up High Away From Ground Pests |
| Dill | Cabbage, Lettuce, Onions | Carrots, Tomatoes, Fennel | Improves Growth Of Cabbage. Attracts Honeybees |
| Lettuce | Alliums, Radishes, Carrots, Cucumbers, Strawberries | Can Cross With Wild Lettuce Weeds | |
| Parsley | Asparagus, Carrots, Alliums, Tomatoes | Deters Asparagus Beetles, Attracts Hoverflies | |
| Peppers | Alliums, Basil, Nasturtiums, Purslane, | Eggplant, Tomatoes, Potatoes, Or Where Tomatoes Were Last Year | Seed Pulp Of Hot Peppers Can Be Used As a Deterrent For Rodents, Gophers, and Deer, Or Diluted For Spray But Will Not Deter Birds |
| Mint | Cabbages, Strawberries | Mint Is Aggressive And Will Overtake Plants, So Give It Room And Harvest Or Cut Back Often | Deters Cabbage Moths, Aphids, Flea Beetles, and Ants. Attracts Honeybees And Pollinators |
| Radishes | Beets, Carrots, Spinach, Parsnip, Cucumbers, Melons, Squash, Lettuce, Beans, Chervil, | ||
| Spinach | Celery, Eggplant, Cauliflower | ||
| Tomatoes | Basil, Borage, Carrots, Parsley | Fennel, Peppers, Potatoes, Eggplants |