Herb Companion Plants - Nathalie Strassburg (2024)

AlfalfaCan 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.AngelicaNettle and other herbs with similar growing conditions.Dill.AniseMany plants including herbs, specifically coriander.Peppers,eggplant, courgettes, lettuce, kale, cabbage and beans.BasilTomato, peppers, oregano, asparagus, petunias, grapes, most plants that enjoy similar soil and watering.Common rue, sage, thyme.BorageAlmost everything, especially beans, strawberry, eggplant, cucumber,squash, fruittrees, tomatoes and cabbage.CarawayStrawberries and other shallow rooted plants, peas, radishes, beetroot, beans, corn.Dill, fennel.CatnipEggplant. Repels various insects so worth experimenting with.ChamomileMost herbs, improved the flavour of brassicas, cucumber, wheat, onion. Said to increase the oil production of other herbs. Improves the soil.ChervilRadishes, lettuce and broccoli for improved growth and flavor. Keepsaphids off lettuce. Easy to plant with other semi-shade loving plants.ChivesApple, peach and apricot trees, carrots, grapes, roses, tomatoes, brassica family, melons, peppers, lettuce, pumpkin, spinach and many othersas it repels cabbage worms, carrot fly, aphids, mites and nematodes.ComfreyA fantastic companion to any garden because it accumulates calcium,phosphorousand potassium. Enjoys wet spots to grow in. Specifically helpsavocadoand other fruit trees. A great compost activator.CorianderAnise, cabbage, spinach, lettuce, tomato, beans, peas, potatoes, nasturtiums, corn, catmint and roses.Dill and carrot (due to cross-pollination).DillBrassicas, broccoli, cabbage, corn, eggplant, fennel, lettuce,onions, cucumbers. Especially beneficial for the brassicas family andlettuces.Carrots, tomatoes, caraway, lavender and coriander.FennelGrow 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.FlaxCarrots and potatoes.Various, requires investigation for verification.GarlicTarragon (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.HyssopBrassicas, cabbages and grapes.Radishes.LavenderAll 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 BalmLike Borage this is a great plant in the garden as it draws bees forincreased 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 GrassLemon grass is excellent when used as a border / edge crop to frameherb and vegetable gardens.Lemon VerbenaA great companion plant, grows quite big so best used as a edge cropof a backdrop to vegetables and herbs. Goes well with alfalfa, lemon grass, fruit trees and other herbs.LovageLovage is a really good companion to most plants, especially beans, eggplant, chilies, green peppers, peas, and also works wellas a border / edge crop, as a backdrop to the garden.RhubarbMarjoramEasy to grow and liked by most herbs and vegetables, especially eggplant, carrots, cucumber, peppers, loofahs, pumpkins, radish, strawberries and tomatoes. Said to improvethe flavour of many.MintBrassica family especially, peppers, carrots, strawberries, flowers and tomatoes. Careful where you plant itbecause it becomes invasive so it works best on the edges where you cancontrol it. Clippings work well to repel insects and other pests. Plantwith marigolds.Parsley, chamomile.OreganoTomatoes, peppers, pumpkins, cabbage, cucumbers, cauliflower, grapesand many other plants. Especially good to grow under plants that do notlike the soil drying out such as peppers.ParsleyAsparagus, corn, beans, broccoli, carrots, celery, kale, lettuces, spinach, strawberries, tomatoes, apple and other fruit trees, roses.Some alliums, mint.PeppermintAlliums, brassicas, cabbage, peas, tomatoes – in general the same asmint.Parsley, camomile.RosemaryVegetable and herb gardens love rosemary. Plant close to cabbages, beans, brassicas, carrots, thyme and sage.RueRoses, fruits trees (in particular figs), raspberries and lavender.Cucumbers, cabbage, basil andsage.SageBrassicas, rosemary, grape vine, kale, cabbage, beans, Brussels sprouts, carrots, strawberry,tomato,marjoram.Alliums, common rue.SpearmintAlliums, brassicas, cabbage, peas, tomatoes – in general the same asmint.Parsley, camomile.Stinging nettleChamomile, mint, broccoli, tomatoes, valerian, angelica, marjoram, sageand peppermint. Teas / sprays made from these are rich in silica and calciumand can be used to invigorate any plants.TarragonAll vegetables and throughout the garden.ThymeLavender, cabbage, Brussels sprouts, onion, sage, tomato, eggplant,salad burnet, potatoes and strawberries.ValerianOther 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.YarrowCalabashes, cucumbers, lemon verbena, marjoram and oregano, corn, melons, roses, tomatoes. Most plants, especially aromatic ones because it is said to increaseoil production. Also improves the soil and can be used as a natural fertaliserlikecomfrey.