Apples – Chives (protect against apple scab) / Clover / Garlic / Nasturtiums 

Apricots – Basil  / Tansy

Asparagus – Basil /Coriander /  Marjoram / Parsley/ Tomatoes (repel asparagus beetle)                          

Beans – Beetroot (with dwarf bush beans) / Cabbage family / Carrots / Celery / Cucumbers / Eggplant / Lettuce / Peas / Parsley / Potatoes (with broad and dwarf beans) / Spinach / Strawberries / Sweetcorn  / Tomatoes

• Dwarf beans in alternating rows with beetroot and potato will increase plant health and crop yield.
• Runner beans love family and pet hair. Place vacuum contents and sodden newspapers in a trench before planting.

Beetroot –  Beans (dwarf bush) /Cabbage family / Dill  / Garlic /  Lettuce / Marjoram / Onions / Peas / Potato /Silverbeet / Spinach

Cabbages (Brassicas) – Beans / Beetroot / Carrots /Celery (will deter cabbage white butterfly) / Chamomile / Coriander / Cucumber /Dill (repels some caterpillars) / Lettuce /Mint / Onions / Potatoes / Peas / Rosemary /  Spinach / Tansy / Thyme

• Sage (improves plant quality, flavour and digestive qualities)
• Rhubarb will protect against club root and white fly

Kohlrabi – Beetroot / Onions

Carrots – Beans / Cabbage family / Chives / Coriander / Cucumber / Garlic / Leeks / Lettuce / Onions / Peas /Peppers / Radishes / Rosemary / Sage / Tomatoes / 

• Leeks -sow together- carrots will be ready for harvest before leeks, which will have protected carrots against carrot fly
• Onions -alternate rows as carrots will deter onion fly and onions deter carrot fly
• Peas- plant carrots on the side that receives the most sun

Celery – Beans / Cabbage family / Cauliflower / Cucumbers / Dill / Garlic / Leeks (plant in alternating rows)/ Onion / Pea / Sage / Spinach / Tomatoes

Citrus- Guava (repels psyllids, protecting the citrus against the virus carried by psyllids)

Cucumbers – Basil / Beans / Cabbage family / Carrot / Celery / Chives / Dill / Lettuce / Marjoram / Onions / Parsnip / Peas / Radishes (repel cucumber beetle) /  Sunflowers (will shade cucumbers) / Sweetcorn / Tomatoes

Eggplant – Beans / Potatoes /Spinach

Garlic – Apples / Apricots / Beetroot / Carrots / Celery / Mulberry / Parsnip / Peaches / Raspberry / Roses / Tomatoes

Grapes – Basil / Beans / Geraniums / Hyssop / Mulberries / Mustard greens / Peas / Tansy

Leeks – Carrots (grow in alternating rows as they have a mutual protection for each other) / Celery (deters cabbage white butterfly- grow in alternating rows) / Marjoram / Onions / Parsnip / Strawberries

Lettuce – Asparagus / Beans / Beetroot / Cabbage family / Carrots / Chervil / Cucumber / Eggplant / Marigolds (French or African; their scent repels many insects) / Onions / Parsnip / Pea / Potatoes /Radish / Spinach /Strawberries / Sunflowers  / Sweetcorn / Tomatoes

• Radish (lettuce thrives when radish is present, and protects radish against flea beetle) 
• Wood ash scattered around will protect against insects

Onions (alliums) – Beetroot / Cabbage family / Carrots  / Celery / Cucumbers /Fruit trees / Leeks / Lettuce / Marigolds /  Parsley and other herbs / Passionfruit /  Peppers / Radish / Silverbeet / Spinach / Strawberries (not garlic) / Tomatoes 

• Carrots -grow in alternating rows as carrot will protect against onion fly
• Alliums confuse pests with their strong odour, masking the smell of other plants. They also help to prevent fungal diseases such as verticillium wilt in tomatoes and deter pest such as slugs, red spider mite and aphids.

Parsnips – Beans/ Cucumber / Garlic /  Lettuce / Onions / Peas / Peppers / Potatoes / Radish / Zucchini

Peas – Beans / Beetroot / Cabbage family / Carrots / Celery / Cucumber /  Eggplant / Lettuce / Parsley / Parsnip / Peppers / Potato /  Radishes / Sweetcorn / Tomatoes / Turnips

• Peas grow well with most vegetables, and dwarf varieties are great as they don’t block as much sun from their companions. Taller varieties of pea will shade lower-growing vegetables such as lettuce.
• Carrots roots excrete a chemical that encourages pea plant growth

Peppers( capsicum & chillies) - Carrots / Onions / Spinach / Tomatoes

Potatoes – Basil / Beans (may help to deter potato beetle ) / Broad beans / Cabbage family / Horseradish and nettles will also protect crop against pest insects / Lettuce / Marigolds (repel nematodes and potato beetle) / Nasturtiums /  Parsnip / Peas / Radishes / Spinach  / Sweetcorn / Watermelon

• Marigolds repel nematodes and potato beetle

Pumpkins – Beans / Cabbage / Eggplant / Horseradish / Marigolds / Peas / Sweetcorn

Radishes- Beans / Carrot / Chervil / Cucumber / Lettuce (may help protect radish from flea beetle) / Nasturtiums / Onion / Peas / Spinach / Tomatoes

Rhubarb - Cabbage / Broccoli / Beans / Garlic / Onions

Silverbeet – Beetroot / Lavender / Onions

Spinach – Beans  / Celery / Eggplant / Peas / Strawberries

Strawberries – Beans / Borage / Chives / Leeks / Lettuce / Sage / Spinach / Onions (not garlic)

Sunflowers – apricots / cucumbers / squash

 Sweetcorn – Beans / Cucumber / Lettuce / Melons / Parsnip / Peas / Potatoes / Pumpkin / Squashes /  Sunflowers / Zucchini

• Sweetcorn takes a lot of nitrogen from the ground, so follow up with peas and/or beans (which add atmospheric nitrogen to the soil) once sweetcorn has finished or even inter-plant to increase sweetcorn productivity.

• Corn, squash (cucurbits) and beans make up “the three sisters” growing combination: corn supports beans- beans produce nitrogen for all three- squash makes a living mulch which keeps the soil cool and moist and suppresses weeds.

Tomatoes – Asparagus / Basil / Beans / Borage ( deters tomato caterpillar) / Carrot /  Celery / Chives / Cucumber / Dill / Garlic /Lettuce / Marigolds (deter nematodes) / Melons / Mint / Nasturtiums / / Nettles (protect against mould) / Onions / Parsley / Peas / Peppers / Radish / Spinach / Thyme 

• Dill is a good companion when young but not when mature- need to harvest before it flowers

• Bury iron nails to protect tomatoes against cut worm.

Turnips – Peas/cucumbers / lettuce / tomato

Zucchini – Beans / Marjoram / Nasturtiums (provide protection against aphids) / Onion / Sweetcorn

Apples – Grass / Potatoes

Asparagus - Onions / Potatoes

Beans – Beetroot (climbing beans) / Fennel / Garlic / Onions (inhibit growth) / Peppers /  Sunflowers

Beetroot – Beans (climbing) / Tomatoes

Cabbages (Brassicas) – Garlic / Rue / Strawberries / Tomatoes

Kohlrabi (it is a Brassica)– Tomatoes (kohlrabi reduces the growth of tomato) / Beans

Carrots – Celery / Dill / Parsley

• Dill will cross-pollinate with carrots (same family)- and may stunt the growth of carrots

Celery – Carrots / Parsnip / Potato

Coriander – Fennel (coriander has poor growth in its presence)

Cucumber- Potato / melons /strong aromatic herbs

Dill – Carrots / Coriander / Eggplant / Peppers / Potatoes

Fennel – generally does not mix with other plants and is better grown on its own. It does grow well with dill but when they both flower, they will cross-pollinate.

Garlic –Asparagus / Beans / Peas / Cabbage family / Peas / Strawberries

Hyssop – Radishes

Leek – Beans / Peas / Parsley

Lettuce - Fennel

Mint – Parsley

Onions – Asparagus / Beans / Peas /  Potatoes /Sage / other alliums with the exception of leeks (they can be planted with other alliums as they deter onion flies)

• Onion maggots are more likely to be a problem when alliums are planted together- they can travel to other plants easily

Parsnip – Cabbages / Carrots / Celery 

Peas – Garlic / Onions (inhibit growth)/ Shallots

Potatoes – Apples / Carrots / Celery / Cherries / Cucumber / Onions / Pumpkin / Raspberries / Rosemary / Sunflowers / Zucchini

• Tomatoes, eggplant and peppers are in the same family – soil disease more likely if planted together 

Pumpkins – Potatoes

Radishes – Hyssop / Kohlrabi

Raspberries – Blackberries / Potatoes

Rue – Basil (poisons the rue) / Cabbages / Sage

Spinach – Cabbages (brassicas)

Strawberries –  Cabbage family / Garlic / Tomatoes

Sunflowers – Potatoes (sunflower growth becomes stunted) /Beans

Sweetcorn – tomatoes / cabbage

Tomatoes – Apricots / Beetroot / Cabbage family / Eggplant / Fennel / Kohlrabi /  Peppers / Potatoes / Rosemary / Strawberries 

• Sweetcorn and tomatoes have the same pest in the Helicoverpa caterpillar also called corn earworm and the tomato fruitworm- more likely to attract this pest if grown together
• Potatoes, eggplant and  peppers are in same family – soil disease more likely if planted together
• Dill is a good companion when young but mature plants are not- need to harvest the dill before it flowers 

Zucchini- potatoes

Anise – Coriander (promotes growth)

Basil –  Apples /Apricots / Asparagus / Beans / Grapes / Onions / Parsley / Peppers / Potatoes / Summer savory /Tomatoes

• Improves health and flavour of nearby herbs
• Repels flies and mosquitoes

Borage –  / Broad beans / Cucumbers / Grapes / Marrow/ Strawberries / Squash (Cucurbits)/ Tomatoes (deters tomato caterpillar) / Zucchini (courgettes)

• Strawberries -borage encourages the growth of strawberries so the fruit is healthy and tasty, and the leaves are more resistant to fungi and other diseases. Unfortunately it has a sprawling nature and can smother the strawberry plants.

Calendula – Artichokes / Beans (all varieties) / Peas / Potatoes

Catnip – Beetroot /Pumpkins / Squash

• Repels pests including mice and rats
• Attracts bees

Chamomile (Roman or German) – Cabbage family / Cucumber / Mint ( enhances the flavour ) /  Onions / Peas / Tomatoes

• Chamomile is generally good for other plants as it improves their health and promotes the production of essential oils, improving the flavour.
• Attracts beneficial insects.

Chervil – Coriander / Dill / Radishes

Chives – Apples (growing chives near apple trees will help keep the trees free of apple scab) / Cabbage / Carrots /  Dill / Grapes / Leeks /Parsley / Roses / Tomatoes

• Repels aphids, carrot fly, whitefly

Coriander (Cilantro)–  Anise / Chervil /  Cabbage family /Carrots /  Dill / Radishes / Spinach

• Deters spider mites, aphids

Dill –  Cabbage family /  Carrots / Celery / Coriander /  Cucumbers /Leeks / Lettuce /Onions / Sweetcorn / Tomatoes

• Improves health, growth and flavour  
• Deters spider mites, aphids

Geraniums – Grapes

• Repels cabbage caterpillar

Horseradish – Fruit trees / Potatoes

Hyssop – Grapes / Cabbage family

Lavender – Cabbage / Citrus / Tomatoes

• Repels pests / attracts butterflies

Lemon balm – Potatoes / Tomatoes

Lovage – improves health and flavor of plants growing nearby.

Marjoram –Beans / Broccoli / Cabbage / Potatoes

• Marjoram generally improves the growth and flavour of plants growing nearby.

Marigolds – Lettuce / Potatoes / Tomatoes / Roses / Beans

Mint – Cabbage family / Peas / Tomatoes

Nasturtiums – Apples / Apricots / Cabbage family /Cucumbers /  Turnips / Radishes /  Zucchini  (Courgettes)

• Deter pests although they do attract aphids- often used as a decoy plant
• Attract beneficials

Oregano – Cabbage family

• Generally a good companion to all vegetables

Parsley – Artichokes / Asparagus / Chives / Lettuce /Mint / Potatoes /Roses / Sweetcorn / Tomatoes    

Rosemary –Beans / Cabbage family / Carrots / Peppers / Sage (stimulate growth in each other) / Tomatoes

• Deters cabbage moth, bean beetles, and carrot fly

Sage – Rosemary / Carrots / Cabbage family / Grapes / Tomatoes (gives strength and energy to plant)

• Deters cabbage moth and carrot fly and repels some beetles and flies

Savoury- summer – Beans / Onions / Potatoes

Sunflowers – Squash / Cucumber

Tansy – Cabbages / Roses / Raspberries / Grapes

• Tansy is a strong insect repellent.

Tarragon – Eggplant

• Good companion to most vegetables- improves flavour.

Thyme – Beans /Cabbage family (deters cabbage caterpillar) / Eggplant /  Lettuce  

Yarrow – Raspberries / Sweetcorn 

• Attracts beneficial insects