Follow the Companion Planting Table to the later when contemplating companion planting in your garden, and make sure you follow crop rotation rules. Planting the same garden crop in the same site for consecutive gardening years may result in pest and disease problems, as well as nutrient imbalances.

Companion Planting Table in Companion Gardening

For further information on what plants should and should not be grown together, please read our Companion Planting Table, which includes a list of all the excellent and bad companion plants.

Here's a list of popular garden crops and their associated companion plants:

Companion Planting Table

	Good Companions	Bad Companions
Apples	Chives, Horsetail (Equisetum), Foxgloves, Wallflowers Nasturtiums, Garlic, Onions	Grass, Potatoes
Apricots	Basil, Tansy, Southernwood	Tomatoes, Sage
Asparagus	Tomatoes, Parsley, Basil
Basil	Tomatoes, Asparagus, Parsley, Apricots
Beans	Carrots, Cucumbers, Cabbages, Lettuce, Peas, Parsley Cauliflower, Spinach, Summer Savory	Onions, Garlic, Fennel, Gladioli, Sunflowers, Kohlrabi
Beans, Broad	Potatoes, Sweetcorn, Dill
Beans, Dwarf	Beetroot, Brassicas, Carrots, Cucumbers, Dill, Lettuce, Potatoes, Radish, Spinach, Sweetcorn, Strawberry, Summer Savory	Onions, Garlic, Fennel, Gladioli, Sunflowers, Kohlrabi
Beetroot	Onions, Silverbeet, Kohlrabi, Lettuce, Cabbage Dwarf Beans	Tall beans
Borage	Strawberries
Brussels Sprouts	Beans (Dwarf), Beetroot, Celery, Cucumber, Onions, Rhubarb, Chamomile, Dill, Oregano, Sage, Marigold, Nasturtium	Strawberries
Broccoli	Beans (Dwarf), Beetroot, Celery, Cucumber, Onions, Rhubarb, Chamomile, Dill, Oregano, Sage, Marigold, Nasturtium	Strawberries
Cabbages	Beans, Beetroot. Celery, Mint, Thyme, Sage, Onions Rosemary, Dill, Potatoes, Chamomile, Oregano Hyssop, Southernwood, Nasturtiums, Tansy, Coriander	Rue, Strawberries, Tomatoes, Garlic
Capsicum (Sweet Peppers)	Amaranth, Basil, Beans (Dwarf), Carrots, Lovage, Marjoram, Okra, Parsley, Geraniums	Fennel, Kohlrabi, Tomatoes
Carrots	Peas, Radishes. Lettuce, Chives, Sage, Onions, Leeks
Carnations		Hyacinths
Cauliflower	Celery. Beans, Tansy, Nasturtiums	Strawberries
Celery	Tomatoes, Dill. Beans, Leeks, Cabbage, Cauliflowers
Chamomile	Mint, Cabbages, Onions
Chervil	Dill, Coriander, Radish
Chilli (Hot Peppers)	Basil, Oregano, Parsley, Rosemary
Chives	Parsley, Apples, Carrots, Tomatoes
Citrus	Guava
Coriander	Dill, Chervil, Anise, Cabbages, Carrots	Fennel
Cucumbers	Potatoes (early crop only), Beans, Celery, Lettuce Sweet Corn, Savoy Cabbages, Sunflowers, Nasturtiums
Dill*	Carrots, Tomatoes, Cabbage, Fennel, Coriander
Fennel	Dill	Beans, Tomatoes, Kohlrabi, Coriander, Wormwood
Foxgloves	Apples, Potatoes, Tomatoes
Fuchsias	Basil, Gooseberries, Tomatoes
Garlic	Roses, Apples, Peaches	Peas, Beans, Cabbages, Strawberries
Geraniums	Grapevines
Gladioli		Strawberries, Beans, Peas
Grapevines	Geraniums, Mulberries, Hyssop, Basil, Tansy
Guava	Citrus
Horseradish	Fruit trees, Potatoes
Hyacinth		Carnations
Hyssop	Grapevines, Cabbages	Radishes
Kohlrabi	Beetroot, Onions	Tomatoes, Beans, Fennel
Leeks	Carrots, Celery
Lettuce	Carrots, Onions, Strawberries, Beetroot, Cabbages Radishes, Marigolds	Parsley, Celery
Marigolds	Lettuce, Potatoes, Tomatoes, Roses, Beans
Melons	Sweet Corn
Mint	Cabbages, Chamomile	Parsley
Nasturtiums	Apples, Cabbages, Cauliflowers, Broccoli Brussels Sprouts, Kohlrabi, Turnips, Radishes Cucumbers, Zucchini
Onions	Carrots, Beetroot, Silverbeet, Lettuce, Chamomile Kohlrabi, Summer Savory	Peas, Beans
Oregano	Cabbages
Parsley	Tomatoes, Asparagus, Roses, Chives	Potatoes
Parsnips	Peas, Potatoes, Peppers, Beans, Radishes, Garlic	Carrots, Celery, Caraway
Peaches	Tansy, Garlic, Basil, Southernwood
Pears		Grass
Peas	Potatoes, Radishes, Carrots, Turnips	Onions, Shallots, Garlic, Gladioli
Potatoes	Peas, Beans, Cabbage, Sweetcorn, Broad Beans Green Beans, Nasturtiums, Marigolds, Foxgloves Horse Radish, Egg Plant	Apples, Cherries, Cucumbers (with any but early crops) Pumpkins, Sunflowers, Tomatoes, Raspberries, Rosemary
Pumpkins	Sweetcorn	Potatoes
Radishes	Lettuces, Peas, Chervil, Nasturtiums	Hyssop
Raspberries	Tansy	Blackberries, Potatoes
Roses	Garlic, Parsley, Onions, Mignonette, Marigolds
Rue		Sage, Basil
Sage	Carrots, Cabbages, Strawberries	Basil, Rue, Wormwood
Savory	Beans, Onions
Silverbeet	Beetroot, Parsnip Tomato, Lavender, Brassicas (Broccoli, Cabbage, Cauliflower, etc.), Onion family (Chives, Garlic, Leeks, Onions, etc.), Lavender	Potatoes, Sweetcorn, Cucurbit family (Cucumbers, Gourds Melons Squash, etc.), most herbs
Spinach	Broad Beans, Cabbage, Cauliflower, Celery, Eggplant, Onion, Peas, Strawberries, Santolina (Cotton Lavender)
Squash	Sunflowers, Sweetcorn
Strawberries	Borage, Lettuce, Spinach, Sage, Pyrethrum	Cabbages, Cauliflowers, Brussels Sprouts Gladioli, Tomatoes, Broccoli, Garlic
Sunflowers	Squash, Cucumber	Potatoes
Sweetcorn	Broad Beans, Potatoes, Melons, Tomatoes, Cucumber, Squash, Tansy
Tansy	Cabbage, Roses, Raspberries, Grapes, Peaches
Thyme	Cabbage family
Tomatoes	Asparagus, Celery, Parsley, Basil, Carrots, Chives Marigolds, Foxgloves, Garlic, Sweetcorn	Rosemary, Potatoes, Kohlrabi, Fennel Apricots, Strawberries, Dill*
Turnips	Nasturtiums, Peas, Beans, Carrots, Chicory, Chives, Spinach	Potatoes, Tomatoes
Wallflowers	Apples
Wormwood		All other plants
Zucchini	Nasturtiums

Can companion planting work in containers or raised beds, or does it only apply to in-ground gardens?

Companion planting can definitely work in containers or raised beds, and it is a great way to maximize the use of limited space. The basic principles of companion planting - planting complementary species together to improve growth and repel pests - apply regardless of whether the plants are in the ground or in containers. In fact, container gardening and raised beds are often better suited to companion planting than in-ground gardens because they allow for greater control over soil quality and drainage, as well as easier access to plants for pruning and harvesting. Just make sure to choose plants with similar growing requirements and avoid overcrowding the container or raised bed, as this can lead to competition for resources and stunted growth.

What if I want to plant a large variety of plants in my garden, can I still use companion planting techniques?

Yes, you can still use companion planting techniques even if you want to plant a large variety of plants in your garden. Companion planting is a method of growing plants together that benefit each other in some way, such as repelling pests or improving soil health. The key is to choose companion plants that have complementary needs and attributes. For example, you could plant herbs like basil or dill among your vegetables to repel pests or attract beneficial insects. You could also plant nitrogen-fixing plants like legumes, such as peas or beans, alongside plants that require a lot of nitrogen, like corn or squash. With careful planning and consideration of the specific needs of each plant, you can create a diverse and thriving garden using companion planting techniques.

Are there any plants that should not be planted near certain vegetables or herbs?

Yes, there are some plants that should not be planted near certain vegetables or herbs due to their potential negative effects on growth, flavor, or pest control. For example, members of the nightshade family (such as tomatoes, peppers, and eggplants) should not be planted near members of the brassica family (such as broccoli, cauliflower, and kale) as they can attract the same pests and diseases. Similarly, mint should not be planted near parsley as it can inhibit its growth, and fennel should not be planted near dill or coriander as they can cross-pollinate and produce hybrids. To avoid any negative interactions between plants, it is recommended to research companion planting and plan a garden layout accordingly.