Check out the best Companion Plants for Cabbage and Cauliflower and enjoy a bountiful harvest right from your yard!
If you are looking for some beneficial specimens to grow with the Brassica vegetables, here are the best Companion Plants for Cabbage and Cauliflower that would improve their taste, deter harmful pests, and boost overall plant growth.
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Reasons for Growing Companion Plants with Cabbage and Cauliflower 
1. Pest Control
Many companion plants help deter pests that commonly affect cabbage and cauliflower, such as cabbage worms, aphids, and cabbage loopers. By planting these companions nearby, you can reduce pest populations naturally and decrease the likelihood of damage to your crops.
2. Disease Prevention
Some companion plants, like onions and garlic, have antimicrobial properties that can help deter diseases that affect cabbage and cauliflower. Growing them together can create a healthier environment and reduce the risk of disease.
3. Attracting Beneficial Insects
Certain companion plants, such as dill and nasturtiums, attract beneficial insects like ladybugs, wasps, and pollinators. These insects help control pests and improve pollination, leading to healthier cabbage and cauliflower plants and potentially increased yields.
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4. Shade and Microclimate
Companion plants like celery can provide shade to cabbage and cauliflower, protecting them from intense sun and preventing bolting. They can also help create a microclimate that retains moisture and provides a more favorable growing environment.
Best Companion Plants for Cabbage and Cauliflower
1. Celery
Celery is a good companion plant for cabbage and cauliflower as it repels pests like cabbage worms and aphids due to its strong scent. It can also provide shade to protect the cabbage and cauliflower from excessive sunlight.
2. Onions
Onions help deter pests like aphids and cabbage worms. They also release compounds into the soil that can help deter diseases that affect cabbage and cauliflower.
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3. Garlic
Garlic has similar benefits as onions. Its strong scent repels pests and its compounds can help suppress diseases. It is particularly effective against aphids and cabbage worms.
4. Dill
Dill attracts beneficial insects like wasps and ladybugs that prey on pests such as aphids and cabbage worms. Its flowers also attract pollinators, which can enhance the yield of cabbage and cauliflower.
5. Nasturtiums
Nasturtiums repel pests like aphids, cabbage worms, and cabbage loopers with their strong scent. They also attract beneficial insects that can help control pests. Additionally, their vibrant flowers add beauty to the garden.
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6. Mint
Mint repels pests like cabbage moths, flea beetles, and aphids with its strong scent. However, mint is an aggressive spreader, so it’s best grown in containers to prevent it from taking over the garden.
7. Chamomile
Chamomile attracts beneficial insects and improves the overall health of the garden. It can also help repel pests like cabbage worms and aphids.
8. Catnip
Catnip is known to repel pests such as flea beetles and aphids. Planting it near cabbage and cauliflower can help protect them from these pests.
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9. Marigolds
Marigolds have a strong scent that deters pests like aphids and cabbage worms. They also attract beneficial insects and can help improve soil health.
10. Rosemary
Rosemary is a fragrant herb that repels cabbage moths and other pests. Its scent can help mask the smell of cabbage and cauliflower, making it harder for pests to find them.
11. Sage
Sage repels pests such as cabbage moths and cabbage loopers. It can be planted as a border around cabbage and cauliflower beds to provide protection.
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12. Thyme
Thyme is a natural insect repellent that can help deter cabbage worms, aphids, and other pests. It also adds flavor to dishes when harvested.
13. Borage
Borage attracts pollinators and beneficial insects like bees and wasps. It can help improve pollination and provide natural pest control in the garden.
14. Yarrow
Yarrow is a beneficial companion plant that attracts predatory insects and pollinators. Its flowers also add beauty to the garden.
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15. Tansy
Tansy repels pests like cabbage worms, ants, and flies. It can be planted as a border or interplanted among cabbage and cauliflower.
16. Calendula
Calendula repels pests like aphids and attracts beneficial insects. Its bright flowers are also edible and can be used in salads.
17. Sunflowers
Sunflowers can provide shade and wind protection to cabbage and cauliflower. Their tall stature can also help attract beneficial insects.
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18. Sweet Alyssum
Sweet Alyssum attracts beneficial insects like hoverflies and lacewings, which feed on pests like aphids. Its delicate flowers add charm to the garden.
