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Companion Plants II

by M. Arjoca,



(Brassica oleracea)

Onion, chives, garlic, leek, dill, pelargonium, rosemary, nasturtium, borage, bean, beet, celery, camomile, lavender, hyssop, mint, tagetes, calendula, thyme, anise, basil, hemp, sage, spinach

Mustard, tomatoes, peppers, potatoes, eggplants, radishes, grape vine

- the anise attracts predatory insects and protects the cabbage from pests camouflaging the smell

- the anise improves the vigour of neighbouring plants  

- the hemp, onion and chives repel the cabbage pests

- the nasturtium attracts predatory insects, repels whiteflies, cabbage moths  

- the nasturtium attracts aphids and caterpillars and can be used as trap crops around cabbage                                                                                    



Tomatoes, peppers, cucumbers, pumpkins, broccoli, cabbage, potatoes, basil, asparagus, almost any plant


- the calendulas repel tomato hornworm (Manduca quinquemaculata) and asparagus beetle (Crioceris asparagi )                                         

- the calendulas repel the beet leafhoppers (Circulifer tenellus), the carriers of curly top virus which attacks tomatoes, chili peppers, eggplants

- the calendulas repel nematodes                      

- the calendulas attract different beneficial insects


(Matricaria recutita)

Basil, mint, onion, cabbage, broccoli, cauliflower, cucumbers, squashes


- the camomile attracts predatory insects (hoverflies, wasps)


(Carum carvi)


Dill, fennel

- the caraway attracts predatory wasps   

- the caraway aerates compact soils

- the caraway can grow near plants with shallow roots


(Daucus carota)

Bean, onion, chives, garlic, leek, rosemary, sage, foxglove, peppers, lettuce, flax, pea, peanuts, potatoes, cucumbers, chervil, parsley

Dill, parsnip, anise, celery

- the carrots flowers attract predatory insects         

- the bean and the peanuts fix nitrogen in soil

- the aromatic herbs repel carrot flies        

- the onion confuses the carrot flies         

- the flax produces an oil which can protect the carrots

Castor oil




- repels the moles and the mice




Collard, pumpkins, squashes, cabbage, beet

Tomatoes, peppers, eggplants, potatoes

- the catnip inhibit the growth of tomatoes, peppers, eggplants, potatoes, petunias, jasmine tobacco         

- the catnip repels the leaf beetles, aphids, Japanese beetle, squash bugs, ants and weevils      

- the catnip repels cabbage moths      

- the catnip repels mice


(Brassica oleracea var. botrytis)

Zinnia, onion, chives, garlic, leek, dill, pelargonium, rosemary, nasturtium, borage, bean, beetroot, celery, camomile, hyssop, lavender, mint, radishes, oregano, anise

Mustard, tomatoes, peppers, potatoes, eggplant, strawberries, running bean

- the zinnias attract ladybugs and other predators          

- the anise protects from pests, camouflaging the smell and attracting predatory insects                          

- the anise improves the vigour of neighbouring plants                        


(Apium graveolens)

Cosmos, daisies, snapdragons, leek, onion, spinach, cabbage, broccoli, cauliflower, bean, tomatoes, potatoes, garlic, cucumbers, pea

Corn, carrots, parsnip, parsley, lettuce

- the celery repels cabbage butterflies and moths   

- the celery flowers attract beneficial insects

- the snapdragon, daisies, cosmos attract beneficial insects


(Anthriscus cerefolium)

Radishes, lettuce, broccoli, carrots


- the chervil keeps away the aphids from lettuce         

- the chervil attracts predatory insects (hoverflies, wasps etc)

- the chervil gives a better taste to radishes       

- the chervil improves the growth of radishes, lettuce and broccoli      

- the chervil repels the snails and slugs, rabbits

- the chervil loves the shadow


(Allium schoenoprasum)

Carrots, tomatoes, peppers, broccoli, cabbage, turnip, cauliflower, collard, potatoes, mustard, apple, apricot, grape vine, roses, gooseberries, beet, celery, eggplants

Bean, pea

- the chives repel cabbage moths and butterflies, carrot flies, aphids, Japanese beetle           

- the chives prevent apple scab in the third year

- the chives prevent black spots on roses in the third year       

- sprinkle chives tea on cucumbers, gooseberries against fungi diseases

- the chili peppers release a substance which prevents roots rot and the diseases caused by fusarium





- the chrysanthemums kill nematodes            

- white chrysanthemums repel Mexican bean beetle and Japanese beetle          

- the dalmatian chrysanthemum (C. cinerariifolium ) has insecticide properties and from it it's produced   pyrethrum      

- the chrysanthemums attract predatory insects



Grape vine, apple

- the clover attracts predatory insects (ground beetles - Carabidae )                

- the clover attracts wooly aphids

- the clover can be used as organic fertilizer



(Brassica oleracea var. acephala)

Anise, catnip, onion, chives, garlic, leek, dill,   pelargonium, rosemary, nasturtium, borage, bean

Mustard, tomatoes, peppers, potatoes, eggplants

- the anise protects from pests, camouflaging the smell and attracts predatory insects      

- the anise improves the vigour of neighbouring plants

- the onion, chives, garlic, nasturtium, dill, pelargonium and rosemary repel collard pests


(Symphytum officinale)

Fruit trees, potatoes, asparagus


- the comfrey is a trap crop for snails and slugs    

- the comfrey protects the potatoes from black scab if these are planted with comfrey leaves     

- the comfrey loves moist soils       

- the comfrey accumulates calcium, phosphorus, potassium and is a good organic fertilizer

- the comfrey tea is a good organic fertilizer


(Coriandrum sativum)

Spinach, bean, pea, anise, potatoes, asparagus


- the coriander attracts predatory flies     

- the coriander repels aphids, spider mites, Colorado potato beetle

- the coriander repels carrot fly

- you can use coriander tea against spider mites

- the coriander stimulates the growth and flavor of anise     

- the anise improves the vigour of neighbouring plants                                          


(Zea mays)

Bean, sunflower, pea, soy, peanuts, cucumbers, pumpkins, melons, amaranth, pelargonium, morning glories, parsley, potatoes, apple

Tomatoes, celery

- the bean attracts insects which feed themselves with locusts and other pests

- the bean and peanuts fix the nitrogen in soil

- the corn can be a climbing support for bean  

- the corn can be protected from dryness by melons and cucumbers





- the cosmos repels Mexican bean beetle     

- the cosmos attracts predatory insects


(Cucumis sativus)

Nasturtium, bean, radishes, tagetes, sunflower, pea, beets, carrots, dill, broccoli, celery, lettuce, summer savory, onion, garlic, peppers, calendulas, borage, apple, camomile, petunias, corn

Tomatoes, sage, potatoes

- the nasturtium repels cucumber beetles

- the nasturtium attracts spiders and beneficial ground beetles

- the radishes repel cucumber beetles






- repels nematodes     

- attracts beneficial insects


(Bellis perennis)

Asparagus, celery


- the daisy attracts beneficial insects


Taraxacum officinale)



- attracts predatory wasps   

- attracts different beneficial insects

Dead nettle




- the dead nettles repel Colorado potato beetle          

- the dead nettles attract different beneficial insects


(Anethum graveolens)

Bean, cabbage, collard, cauliflower, turnip, fennel, lettuce, asparagus, broccoli, cucumbers

Carrots, tomatoes, angelica, caraway

- the dill flowers attract predatory insects, bees      

- the dill repels aphids, red spider mites, squash beetles, cabbage moths and butterflies      

- the dill attracts tomato hornworm



(Solanum melongena)

Onion, chives, garlic, leek, bean, pea, tagetes, tarragon, mint, amaranth, thyme, spinach

Running bean, fennel, broccoli, collard, cauliflower, turnip, cabbage, catnip, walnut

- the walnut, catnip and fennel inhibit the growth of eggplants


(Foeniculum vulgare)


Almost every plant

peppers, potatoes, caraway, coriander, bean, tomatoes, eggplants

- the fennel attracts hoverflies, ladybugs, wasps, tachinids 

- the fennel repels aphids, fleas

- the fennel inhibit the growth and can cause the death of many plants



Carrots, potatoes


-the flax tannin can repel Colorado potato beetle





- the foxglove attracts different beneficial insects


(Allium sativum)

Cucumbers, lettuce, celery, cabbage, broccoli, collard, cauliflower, potatoes, carrots, apples, pear trees, apricots, roses, tomatoes, eggplants

Bean, pea, parsley, strawberries, asparagus

- the garlic repels aphids, Japanese beetle, spider mites, cabbage and carrot pests, ants, rabbits

- the garlic has fungicide properties for apples and apricots     

- the garlic spray repels and kills whiteflies, aphids and fungus gnats  

- the rotten garlic under fruit trees can repel the deers

Grape vine

(Vitis vinifera)

Pelargonium, basil, bean, pea, chives, clover, hyssop, blackberry, elm, mulberry
Cabbage, radishes

- the clover improves the soil fertility

- the chives repel aphids

- the grape vine can grow under elm and mulberry trees


(Cannabis sativa)

Cabbage, Brussels sprout


- the hemp repels cabbage pests                                                             


(Armoracia rusticana)



- the horseradish improves the potatoes resistance to diseases  

- the horseradish repels Colorado potato beetle

- the horseradish tea has fungicide properties

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More about companion plants here.