Companion Planting


Companion Planting
Plant Good companions Bad companions Why it should be done
Asparagus Basil, chives, lovage, marjoram, parsley and tomatoes Garlic and onions Basil and parsley can improve flavour. Onions and garlic inhibit growth
Beans (climbing) Brocolli, brussel sprouts, cabbage, carrot, cauliflower, corn, lettuce, lovage, marjoram and parsley Beetroot, chives, garlic and onions  
Beetroot Beans (bush), broccoli, brussel sprouts, cabbage, cauliflower, lettuce, lovage, marjoram, onion, peas, potato, spinach and silverbeet. Beans (climbing) and tomato Bad companions roots release substances that inhibit growth
Brassicas Beans, beetroot, carrot, chamomile, coriander, cucumber, dill, lettuce, lovage, marjoram, marigold, mint, nasturtium, pea, potato, rosemary, sage and thyme Garlic and strawberry Dill attracts white butterfly controlling wasp. Nasturtium repels aphids. Sage repels white butterfly.  Bad companions roots release substances that inhibit growth.
Capsicum and chilli Carrot, onion and tomato    
Carrots Beans, chives, coriander, cucumber, leek, lettuce, lovage, marjoram, onion, peas, radish, rosemary, sage and tomato Dill and celery Bad companions roots release substances that inhibit growth.
Celery Cabbage, chives, dill, dwarf beans, leek, lovage, marjoram, onion, peas, sage, spinach and tomato Carrots, parsnip and potato Bad companions roots release substances that inhibit growth.
Corn Beans, cucumber, lovage, marjoram, melon, parsnip, peas, potato, pumpkin, radish, squash and zucchini Cabbage Corn is great for peas and beans to climb up naturally. Bad companions roots release substances that inhibit growth.
Cucumber Basil, beans, borage, broccoli, brussel sprout, cabbage, carrot, cauliflower, corn, dill, lettuce, lovage, marjorum, nasturtium, parsnip, peas and radish Potato, sage and strongly aromatic herbs Bad companions roots release substances that inhibit growth.
Eggplant Beans and spinach    
Garlic Raspberry, rose and rosemary Beans, cabbage, peas and strawberry Deters aphids especially from rose and raspberry. 
Leek Carrot, celery, lovage, marjoram, onion, parsnip and strawberry Beans, peas and parsley  
Lettuce Beans, beetroot, cabbage, carrot, chervil, cucumber, lovage, marjoram, marigold, onion, parsnip, peas, radish and strawberry  Parsley  
Onion Beetroot, broccoli, cabbage, carrot, chamomile, leek, lettuce,lovage, marjoram, parsley, parsnip, silverbeet, strawberry, summer savory and tomato Aspargus, beans and peas The smell of onion deters many pests. Onions release substance that inhibits growth of bad companions
Peas Beans, beetroot, brussel sprouts, cabbage, carrot, cauliflower, celery, cucumber, lettuce, lovage, marjoram, parsnip, potato, radish, sage, sqaush and sweet corn Chives, garlic, onion and shallots Bad companions roots release substances that inhibit growth. Corn is great for peas and beans to climb up naturally.
Potato Beans, broccoli, brussel sprouts, cabbage, cauliflower, corn, eggplant, lovage, marjoram, marigold, nasturtium, parsnip, peas, sweet corn and watermelon Cucumber, pumpkin, raspberry, rosemary, squash and tomato Marigolds attract beneficial insects and supress weeds. Potatoes release substances that inhibit growth.
Pumpkin Beans, cabbage, eggplant, peas, radish and sweet corn Potato Bad companions roots release substances that inhibit growth.
Radish Beans, carrots,chervil, cucumber,lettuce, lovage, marjoram, nasturtium, parsnip, peas, spinach and sweet corn   Radish and said to attract leaf minors from spinach
Silverbeet Beetroot, lavender, lovage, marjoram and onion Basil  
Spinach Celery, eggplant and strawberries    
Strawberry Beans, borage, chives, leek, lettuce, marigold, onion, sage and spinach Broccoli, cabbage, cauliflower, brussel sprouts and garlic  
Tomato Asparagus, basil, celery, borage, broccoli, brussel sprouts, cabbage, carrot, cauliflower, celery, chives, dill, gooseberry, grape, lovage, marigold, marjoram, mint, nasturtium, onion, parsley, parsnip and turnip Beetroot, fennel, potato, rosemary and sweet corn Marigolds repel white fly and root knot nematodes. Bad companions roots release substances that inhibit growth.
Zucchini Lovage, marjoram, nasturtium and sweet corn