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Radish Companion Plants: Full List of Pairings

December 2, 2022

Radishes growing in a garden

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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.

Chervil, a common radish companion plant
Chervil improves your radishes’ flavor and texture while repelling pests.

• 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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Welcome to Here in the Catskills, a practical blog featuring northeast gardening tips, nature posts, and fruit and vegetable recipes made for residents of the Catskills (and beyond!)
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