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Radish Companion Plants: Full List of Pairings
Fast growing and flavorful, radishes make excellent pairings for many garden favorites! Radishes can prevent many common vegetable troubles, and a few others will help radishes with their own pest problems. Here are all the radish companion plants you can try in your garden:
Full List of Radish Companion Plants
The following vegetables, flowers, and herbs benefit radishes by improving soil quality, repelling common pests, and attracting pollinators. In some cases, the radishes offer a specific benefit to the companion.
Vegetables to Plant with Radishes
• Beans and Peas – These legumes release nitrogen, which aids in radish growth.
• Broccoli, Brussels Sprouts, Cabbage, Cauliflower, and Kale – Many brassicas family members like these add nutrients to the soil that radishes enjoy.
• Cucumbers – Radishes can help repel cucumber beetles.
• Eggplant, Peppers, and Tomatoes – Radishes make a good aphid trap crop for your nightshade family members.
• Garlic, Leeks, Onions, Scallions, Shallots, and Other Alliums – Strongly scented alliums keep a variety of radish pests away.
• Lettuce and Spinach – Leafy greens make excellent ground cover for many vegetables – including radishes!
• Parsnips – Parsnips attract helpful insects, like ladybugs, and get along well with radishes.
• Summer and Winter Squashes – Radishes act as a flea beetle and aphid trap crop for squashes.
Flowers to Plant Near Radishes
• Marigolds – Marigolds can repel pests and root-knot nematodes.
• Nasturtiums – Nasturtiums bring in beneficial insects and can also make an excellent aphid trap crop if you want to keep your radishes pristine.
• Petunias – Petunias bring in pollinators and other useful bugs.
Herbs to Plant Near Radishes
The following herbs help radishes by repelling common radish pests or improving the radishes’ flavor.

• Borage
• Chervil
• Chives
• Dill
• Mint
• Oregano
• Rosemary
• Tansy
• Thyme
What NOT to Plant Next to Radishes
These plants should be planted as far away from radishes as possible.
• Corn – Tall corn will shade your radishes.
• Hyssop – Hyssop can hinder radish growth.
• Kohlrabi – Kohlrabi and radishes will compete for nutrients.
• Melons and Pumpkins – These plants can block sunlight from reaching your radishes.
• Potatoes – Potatoes have similar nutrient needs to radishes, and the two will compete for resources.
• Sunflowers – Sunflowers shade your radishes too much for optimal health.
• Turnips – Turnips can inhibit radish growth.
Enjoy Your Radishes!
You should now have a good idea of which radish companion plants to try in your garden, along with what to avoid. Happy gardening!
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