Herb Companion Plants

Herbs form an important part of companion planting because they are often your plants that draw beneficial insects and especially bees etc. for pollination.  They are therefore included in every plant guild.  The other essential members of a plant guild are insectary plants, nitrogen or nutrient accumulators (which many herbs are too), green manure crops, ground covers and vertical climbers.

Companion Planting an integral part of permaculture and a holistic approach to gardening where you plant different crops in proximity for maximising the use of space, providing nutrients, shade or support, increasing crop productivity, attracting beneficial insects, pest control / repelling pests, pollination or providing a space for beneficial creatures. The concept is an ongoing process of living and learning with nature and increasing biodiversity to support a sustainable Eco system.  Below is a quick reference guide for companion planting with herbs:

Herbs Medicinal Herbs

View Herb Growing Guides

Name

Good Companions

Not a Companion

Alfalfa

Can benefit most plants (especially fruit trees and grape vines) that need rich soil due to its ability to improve nitrogen, iron, magnesium, phosphorous and potassium. Tomatoes, fava beans.

Angelica

Nettle and other herbs with similar growing conditions. Dill.

Anise

Many plants including herbs, specifically coriander. Peppers, eggplant, courgettes, lettuce, kale, cabbage and beans.

Basil

Tomato, peppers, oregano, asparagus, petunias, grapes, most plants that enjoy similar soil and watering. Common rue, sage, thyme.

Borage

Almost everything, especially beans, strawberry, eggplant, cucumber, squash, fruit trees, tomatoes and cabbage.

Caraway

Strawberries and other shallow rooted plants, peas, radishes, beetroot, beans, corn. Dill, fennel.

Catnip

Eggplant. Repels various insects so worth experimenting with.

Chamomile

Most herbs, improved the flavour of brassicas, cucumber, wheat, onion. Said to increase the oil production of other herbs. Improves the soil.

Chervil

Radishes, lettuce and broccoli for improved growth and flavor. Keeps aphids off lettuce. Easy to plant with other semi-shade loving plants.

Chives

Apple, peach and apricot trees, carrots, grapes, roses, tomatoes, brassica family, melons, peppers, lettuce, pumpkin, spinach and many others as it repels cabbage worms, carrot fly, aphids, mites and nematodes.

Comfrey

A fantastic companion to any garden because it accumulates calcium, phosphorous and potassium. Enjoys wet spots to grow in. Specifically helps avocado and other fruit trees. A great compost activator.

Coriander

Anise, cabbage, spinach, lettuce, tomato, beans, peas, potatoes, nasturtiums, corn, catmint and roses. Dill and carrot (due to cross-pollination).

Dill

Brassicas, broccoli, cabbage, corn, eggplant, fennel, lettuce, onions, cucumbers. Especially beneficial for the brassicas family and lettuces. Carrots, tomatoes, caraway, lavender and coriander.

Fennel

Grow fennel with flowers, away from the vegetable garden.  Can also be grown with calamint but not considered a great companion plant. Various including beans, caraway, coriander, dill, kohlrabi and tomatoes.

Flax

Carrots and potatoes. Various, requires investigation for verification.

Garlic

Tarragon (encourages growth), peas, vetch, brassicas, beets, roses, tomatoes, cucumbers, lettuce, celery, parsley, Chinese cabbage, potatoes, fruit and citrus trees. Grapes (said to affect their growth if planted too close) and strawberries.

Hyssop

Brassicas, cabbages and grapes. Radishes.

Lavender

All plants can benefit from lavender, especially chamomile, lettuce, brassicas, onions, tomatoes, oregano, thyme, marjoram, sage, rosemary, basil, lemon balm, squash, olive and fruit trees. Not compatible with plants that need allot of water and shade.

Lemon Balm

Like Borage this is a great plant in the garden as it draws bees for increased pollination and therefore yields. All mint family plants, basil, oregano, chives, tomatoes, lettuce, okra, cabbage, carrots, radishes, squashes, berries, fruit trees, cantaloupe, watermelon, marjoram, sage, thyme and parsley.

Lemon Grass

Lemon grass is excellent when used as a border / edge crop to frame herb and vegetable gardens.

Lemon Verbena

A great companion plant, grows quite big so best used as a edge crop of a backdrop to vegetables and herbs. Goes well with alfalfa, lemon grass, fruit trees and other herbs.

Lovage

Lovage is a really good companion to most plants, especially beans, eggplant, chilies, green peppers, peas, and also works well as a border / edge crop, as a backdrop to the garden. Rhubarb

Marjoram

Easy to grow and liked by most herbs and vegetables, especially eggplant, carrots, cucumber, peppers, loofahs, pumpkins, radish, strawberries and tomatoes. Said to improve the flavour of many.

Mint

Brassica family especially, peppers, carrots, strawberries, flowers and tomatoes. Careful where you plant it because it becomes invasive so it works best on the edges where you can control it. Clippings work well to repel insects and other pests. Plant with marigolds. Parsley, chamomile.

Oregano

Tomatoes, peppers, pumpkins, cabbage, cucumbers, cauliflower, grapes and many other plants. Especially good to grow under plants that do not like the soil drying out such as peppers.

Parsley

Asparagus, corn, beans, broccoli, carrots, celery, kale, lettuces, spinach, strawberries, tomatoes, apple and other fruit trees, roses. Some alliums, mint.

Peppermint

Alliums, brassicas, cabbage, peas, tomatoes – in general the same as mint. Parsley, camomile.

Rosemary

Vegetable and herb gardens love rosemary.  Plant close to cabbages, beans, brassicas, carrots, thyme and sage.

Rue

Roses, fruits trees (in particular figs), raspberries and lavender. Cucumbers, cabbage, basil and sage.

Sage

Brassicas, rosemary, grape vine, kale, cabbage, beans, Brussels sprouts, carrots, strawberry, tomato, marjoram. Alliums, common rue.

Spearmint

Alliums, brassicas, cabbage, peas, tomatoes – in general the same as mint. Parsley, camomile.

Stinging nettle

Chamomile, mint, broccoli, tomatoes, valerian, angelica, marjoram, sage and peppermint. Teas / sprays made from these are rich in silica and calcium and can be used to invigorate any plants.

Tarragon

All vegetables and throughout the garden.

Thyme

Lavender, cabbage, Brussels sprouts, onion, sage, tomato, eggplant, salad burnet, potatoes and strawberries.

Valerian

Other herbs, mints, bee balm, chamomile, calendula and other flowers.

Wormwood (Artemisia)

Brassicas, carrots but best used as a border plant because it is toxic. Sprays can also deter insects and pests but do not use it on edible plants. Anise, beans, caraway, fennel, peas and sage.

Yarrow

Calabashes, cucumbers, lemon verbena, marjoram and oregano, corn, melons, roses, tomatoes. Most plants, especially aromatic ones because it is said to increase oil production. Also improves the soil and can be used as a natural fertaliser like comfrey.

Other Companion Planting Categories:

Medicinal HerbsHerbsMedicinal FlowersFlowersMedicinal TreesTreesMedicinal BerriesBerriesMedicinal BerriesVegetablesMedicinal VegetablesFruitMedicinal FruitMushroomsMedicinal Mushrooms