Gardening Edible Gardening Vegetable Gardening 10 Best Cauliflower Companion Plants to Grow Together Companion planting cauliflower with these veggies, herbs, and flowers helps keep pests away naturally. By Lauren Landers Lauren Landers Lauren Landers is a freelance writer who focuses on gardening, homesteading, and DIY. Learning from both hands-on experience and a Master Gardener training course, Lauren loves sharing her knowledge about gardening, conscious living, homesteading, backyard food growing, and much more. Learn about BHG's Editorial Process Published on September 15, 2023 Trending Videos Close this video player Photo: Dean Schoeppner Cauliflower is one of the most nutritious and flavorful vegetables to grow in home gardens. But like other vegetables in the brassica family, cauliflower plants can be prone to destructive pests, such as cabbage loopers and slugs. Companion planting cauliflower with the following veggies, herbs, and flowers can help repel many garden pests naturally and enhance the growth of your crop in other ways. And sometimes cauliflower helps these plants, too, making it a true win-win solution. 01 of 10 Alliums Bob Stefko Allium plants, like garlic, onions, and chives, are top-notch cauliflower companion plants if you want to keep pests at bay. These plants contain sulfur compounds that mask the scent of nearby cauliflower and other crops that pests love. Also, the scent of alliums repels deer, aphids, and cabbage loopers. 02 of 10 Sage Marty Baldwin Cabbage moths are some of the most destructive pests of brassica crops; they can quickly leave cauliflower leaves in tatters. However, the strong scent of sage keeps these troublesome pests away and helps protect cauliflower from flea beetles. While sage plants are primarily grown for their edible leaves, these culinary herbs also produce pretty purple flowers that lure bees and other vital pollinators to the garden. 03 of 10 Dill Marty Baldwin Dill and cauliflower have similar growing needs and both thrive in the cool weather of spring and autumn gardens. Beyond that, dill plants are relatively small, so they can be easily squeezed in between rows of cauliflower and other crops to save space in your garden. Dill attracts hoverflies and parasitic wasps that feed on cabbage loopers and keep your cauliflower plants pest-free. 04 of 10 Hyssop Dean Schoeppner Hyssop is a less common addition to vegetable beds, but it is a great choice for planting near cauliflower and other brassicas when pests plague your garden. Hyssop plants deter many insects, including flea beetles and cabbage moths. Deer also avoid these fragrant plants. While hyssop plants are certainly functional, they’re also attractive, with purple flowers that add color to the garden and provide nectar and pollen for bees. 05 of 10 Radishes Cameron Sadeghpour Like cauliflower, radishes grow best in cool weather, so they’re usually planted in spring and autumn. Compared to most other vegetable crops, radishes are incredibly fast-growing; some mature in just 21 days. If you’re looking to fill up empty space around the base of your cauliflower plants and pack more edible crops into your garden, radishes are good vegetables to plant. 10 Best Radish Companion Plants to Grow Together 06 of 10 Beets Bob Stefko Beets are another low-growing vegetable that thrives in cool weather and has similar growing needs as cauliflower, making them perfect partners in garden beds. Preferring rich soil and regular watering, cauliflower and beets are some of the first vegetables to plant in spring, and they thrive in chilly autumn gardens, too. Like radishes, beets can be planted in the empty soil around cauliflower plants to increase garden yields, and you don’t need to worry about low-growing beets competing with cauliflower plants for sun. 07 of 10 Other Brassicas Marty Baldwin With companion planting, you typically want to avoid growing similar crops together because plants in the same plant family can fall victim to the same pests and diseases. However, brassica crops are often grown together because they have similar care needs, and you can treat them all for pests at the same time. Planting cauliflower with broccoli, Brussels sprouts, and other brassicas makes it much easier to cover all your vulnerable crops with floating row covers or treat them with Bt thuricide if cabbage loopers invade. 10 Best Broccoli Companion Plants 08 of 10 Spinach Denny Schrock Spinach is a champion in cool season gardens, and it will grow well alongside cauliflower in spring and autumn beds. When grown as companions, cauliflower plants provide shade to low-growing spinach, which can keep spinach plants from bolting as quickly at the end of spring. In return, spinach plants shelter the soil with lush leaves that help suppress weed seeds and slow soil evaporation rates. 09 of 10 Yarrow Peter Krumhardt Yarrow is primarily grown in ornamental beds, and its broad, flat blooms are highly attractive to an assortment of pollinators. Yarrow flowers are also magnets for predatory insects, such as ladybugs, lacewings, and hoverflies, which feed on some of the most common cauliflower pests. When planted in vegetable gardens, yarrow helps shield cauliflower and other brassicas from destructive insects and looks pretty doing it. 10 of 10 Nasturtium Doug Hetherington Nasturtium plants are also sometimes used in ornamental beds, but their leaves, flowers, and berries are edible and make tasty additions to salads and other recipes. When grown near cauliflower and other brassicas, nasturtiums act as trap crops, luring aphids and other pests away from more vulnerable vegetables. Depending on the size of your garden, you may want to grow mounding rather than trailing-type nasturtiums; mounding plants don’t take up as much space in small gardens. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit