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

Apricots – Basil / Southernwood / Tansy

Asparagus – Basil / Parsley/ Tomatoes                           

Beans – Beetroot (with dwarf beans) / Cabbage / Carrots / Cauliflower / Celery / Cucumbers / Lettuce / Peas / Parsley / Potatoes (with broad and dwarf beans) / Spinach / Sweetcorn  

• 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 – Cabbage / Dwarf beans / Kohlrabi / Lettuce / Onions / Silverbeet

Cabbages (brassicas) – Beans / Beetroot / Celery / Chamomile / Dill / Mint / Onions / Oregano / Potatoes / Rosemary / Sage (improves plant quality, flavour and digestive qualities) / Thyme

• Short sticks of rhubarb throughout the patch will protect against club root

Carrots – Chives / Leeks (sow together- carrots will be ready for harvest before leeks, which will have protected carrots against carrot fly) / Lettuce / 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) / Radishes / Rosemary / Sage / Wormwood (the strong scents will deter carrot fly)

Cauliflower – Beans / Celery (will deter cabbage white butterfly) / Sage

Celery – Beans / Cabbage / Cauliflower / Dill / Leeks (plant in alternating rows- both like pig manure) / Tomatoes

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

Cucumbers – Beans / Celery / Chives / Lettuce / Marjoram / Oregano / Potatoes / Radishes (repel cucumber beetle) / Savoy cabbage / Sunflowers (will shade cucumbers) / Sweetcorn

Eggplant – Beans / Potatoes

Garlic – Apples / Apricots / Peaches / Roses 

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

Kohlrabi – Beetroot / Onions

Leeks – Carrots (grow in alternating rows as they have a mutual protection for each other) / Celery (deters cabbage white butterfly- grow in alternating rows as both like pig or goat manure and compost, and benefit from added potassium)

Lettuce – Beetroot / Cabbage / Carrots / Chervil / Marigolds (French or African; their scent repels many insects) / Onions / Radish (lettuce thrives when radish is present, and protects radish against flea beetle) / Strawberries

• Wood ash scattered around will protect against insects

Onions (alliums) – Beetroot / Carrots (grow in alternating rows as carrot will protect against onion fly) / Lettuce / Fruit trees / Brassicas (cabbage family) / Nightshades (solanacae family) / Strawberries / Celery / Parsley and other herbs / Passionfruit / Cucumbers / Marigolds.
(*) 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/ Garlic / Peas / Peppers / Potatoes / Radish

Peas – Beans / Carrots (roots excrete a chemical that encourages pea plant growth) / Cucumber / Onions / Potatoes / Radishes / Sweetcorn / 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.

Potatoes – Beans (help to deter Colorado beetle) / Broad beans / Cabbage / Horseradish and nettles will also protect crop against pest insects / Marigolds (repel nematodes and Colorado beetle) / Nasturtiums / Peas / Sweetcorn

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

Radishes- Chervil / Cucumber / Lettuce (protects radish from flea beetle) / Nasturtiums / Peas

Silverbeet – Beetroot / Lavender / Onions

Spinach – Strawberries

Strawberries – Borage / Lettuce / Sage / Spinach

Sweetcorn – Broad beans / Cucumber / Melons / Potatoes / Pumpkin / Squashes / Tomatoes

• 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.

Tomatoes – Asparagus / Basil / Cabbage (brassicas) / Celery / Chives / Cucumber / Marigolds (deter nematodes) / Nettles (protect against mould) / Nasturtiums / Parsley

• Bury iron nails to protect tomatoes against cut worm.

Turnips – Peas

Zucchini – Nasturtiums (provide protection against aphids)

Apples – Grass / Potatoes

Beans – Fennel / Garlic / Onions (inhibit growth) / Sunflowers

Broccoli – Strawberries

Cabbages (brassicas) – Rue / Strawberries / Tomatoes

Carrots – Dill / Tomatoes

Cauliflower – Strawberries

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

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 – Beans / Peas

Hyssop – Radishes

Kohlrabi – Tomatoes (kohlrabi reduces the growth of tomato) / Beans

Lettuce - Fennel

Mint – Parsley

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

Parsnip – Cabbages / Carrots / Celery /

Peas – Garlic / Onions (inhibit growth)/ Potatoes / Shallots

Potatoes – Apples / Cherries / Cucumber / Pumpkin / Raspberries / Rosemary / Sunflowers / Tomatoes

Pumpkins – Potatoes

Radishes – Hyssop / Potatoes

Raspberries – Blackberries / Potatoes

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

Spinach – Cabbages (brassicas)

Strawberries – Brussels sprouts / Cabbages / Cauliflower / Tomatoes

Sunflowers – Potatoes (sunflower growth becomes stunted)

Tomatoes – Apricots / Fennel / Kohlrabi / Potatoes / Rosemary

Basil – Tomatoes / Asparagus / Parsley / Apricots / Apples / Grapes 

• Basil works well with parsley and summer savory as well as beans, onions and potatoes.

Borage – 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) / Broad beans / Courgettes / Cucumbers / Grapes / Marrow/squash / Tomatoes

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

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

• Chamomile is generally good for other plants as it improves their health and promotes the production of essential oils in the companion.

Chervil – Dill / Coriander

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

Coriander – Dill / Chervil / Anise / Carrots / Cabbage / Radishes / Spinach

Dill – Coriander / / Cabbage / Brussels sprouts / Cauliflower / Celery / Kohlrabi/ Leeks

Fennel – Cabbage / Leeks / Marrow/squash

Garlic – Apples / Runner beans / Lettuce / Peaches / Plums / Roses

Geraniums – Grapes

Horseradish – Fruit trees / Potatoes

Hyssop – Grapes / Cabbage family

Lavender – Cabbage / Citrus / Tomatoes

Lemon balm – Potatoes / Tomatoes

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 / Courgettes (Zucchini) / Cabbages / Cauliflower / Broccoli/ Brussels sprouts / Kohlrabi / Turnips / Radishes / Cucumbers / Zucchini

Oregano – Cabbages

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

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

Sage – Rosemary / Carrots / Cabbage family / Grapes / Tomatoes

Savoury summer – Beans / Onions / Potatoes

Sunflowers – Squash / Cucumber

Tansy – Cabbages / Roses / Raspberries / Grapes

• Tansy is a strong insect repellent.

Thyme – Cabbage / Eggplant / Beans / Lettuce / Cauliflower

Yarrow – Raspberries / Sweetcorn