List of companion plants

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List of companion plants

This is a list of companion plant relationships. Many more are in list of beneficial weeds

List of beneficial weeds

This is a list of undomesticated or feral plants, considered weeds, yet having some positive effects or uses, often being ideal as companion plants in gardens....
.

The purpose of this list is to provide plants that assist in the growth of others, be it attracting beneficial insects

Beneficial insects

Beneficial insects are any of a number of species of insects that perform valued services like pollination and pest control. The concept of beneficial is subjective and only arises in light of desired outcomes from a human perspective....
, repelling harmful insects, providing nutrients or in some cases simply shade / support.

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Vegetables

Common name

scientific name

Helps

Helped by

Attracts

Repels / Distracts

Avoid

Comments

Allium
Allium

Allium is the onion genus, with about 1250 species, making it one of the largest plant genera in the world. They are perennial plant bulbous plants that produce chemical compounds that give them a characteristic onion or garlic taste and odor, and many are used as food plants....
s

Allium

fruit trees, nightshades (tomatoes, peppers, potatoes, etc), brassicas (cabbage, broccoli, kohlrabi, etc) carrots

carrots

slugs, aphids, carrot fly

Carrot fly

The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae....
, cabbage worms

beans, peas, parsley

Alliums include onions, garlic, leeks, shallots, chives, and others

Asparagus
Asparagus

Asparagus officinalis is a flowering plant species in the genus Asparagus from which the vegetable known as asparagus is obtained....

Asparagus officinalis

Tomatoes

Aster Family flowers, Dill ,Coriander, Tomatoes, Parsley, Basil, Comfrey, Marigolds

Onion, Garlic, Potatoes

Marigolds will deter beetles.

Brassica
Brassica

Brassica is a genus of plants in the mustard family . The members of the genus may be collectively known either as cabbages, or as mustards....
s

Brassica

geraniums, dill, alliums (onions, shallots, garlic, etc), rosemary, nasturtium, borage

mustards, nightshades (tomatoes, peppers, etc)

Brassicas are a family of species which include broccoli, cabbage, brussels sprouts, kholrabi, and cauliflower.

Bean
Bean

Bean is a common name for large plant seeds of several genus of the Family Fabaceae used for human food or animal feed.The whole young pods of bean plants, if picked before the pods ripen and dry, can be tender enough to eat whole, whether cooked or raw....
s,

Phaseolus
Phaseolus

Phaseolus is a genus in the family Fabaceae of about fifty plant species, all native to the Americas.At least four of the species have been domestication since pre-Columbian times for their beans....

Corn (see Three Sisters

Three Sisters (agriculture)

The Three Sisters are the three main agricultural crops of some Indigenous peoples of the Americas groups in North America: Squash , maize, and climbing beans ....
), Spinach, lettuce, rosemary, summer savory, dill, carrots, brassicas, beets, radish, strawberry and cucumbers

Eggplant, Summer savory

California beetles

Tomatoes, chili peppers, sunflowers, alliums (onions, garlic, etc), kales (cabbage, broccoli, etc)

Hosts nitrogen-fixing bacteria, a good fertilizer for some plants, too much for others

Beet
Beet

The beet is a plant in the Amaranthaceae. It is best known its numerous cultivated varieties, the most well known of which is probably the red root vegetable known as the garden beet....
s,

Beta Vulgaris

lettuce, kohlrabi, onions and brassicas

Catnip, Garlic, Mint

Runner or pole beans

Good for adding minerals to the soil through composting leafs which have up to 25% magnesium.

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Encyclopedia

This is a list of companion plant relationships. Many more are in list of beneficial weeds

List of beneficial weeds

Beneficial insects

Vegetables

Vegetables
Common name	scientific name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Allium Allium *Allium* is the onion genus, with about 1250 species, making it one of the largest plant genera in the world. They are perennial plant bulbous plants that produce chemical compounds that give them a characteristic onion or garlic taste and odor, and many are used as food plants.... s	Allium	fruit trees, nightshades (tomatoes, peppers, potatoes, etc), brassicas (cabbage, broccoli, kohlrabi, etc) carrots	carrots		slugs, aphids, carrot fly Carrot fly The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae.... , cabbage worms	beans, peas, parsley	Alliums include onions, garlic, leeks, shallots, chives, and others
Asparagus Asparagus *Asparagus officinalis* is a flowering plant species in the genus Asparagus from which the vegetable known as asparagus is obtained....	Asparagus officinalis	Tomatoes	Aster Family flowers, Dill ,Coriander, Tomatoes, Parsley, Basil, Comfrey, Marigolds			Onion, Garlic, Potatoes	Marigolds will deter beetles.
Brassica Brassica *Brassica* is a genus of plants in the mustard family . The members of the genus may be collectively known either as cabbages, or as mustards.... s	Brassica		geraniums, dill, alliums (onions, shallots, garlic, etc), rosemary, nasturtium, borage			mustards, nightshades (tomatoes, peppers, etc)	Brassicas are a family of species which include broccoli, cabbage, brussels sprouts, kholrabi, and cauliflower.
Bean Bean Bean is a common name for large plant seeds of several genus of the Family Fabaceae used for human food or animal feed.The whole young pods of bean plants, if picked before the pods ripen and dry, can be tender enough to eat whole, whether cooked or raw.... s,	Phaseolus Phaseolus *Phaseolus* is a genus in the family Fabaceae of about fifty plant species, all native to the Americas.At least four of the species have been domestication since pre-Columbian times for their beans....	Corn (see Three Sisters Three Sisters (agriculture) The Three Sisters are the three main agricultural crops of some Indigenous peoples of the Americas groups in North America: Squash , maize, and climbing beans .... ), Spinach, lettuce, rosemary, summer savory, dill, carrots, brassicas, beets, radish, strawberry and cucumbers	Eggplant, Summer savory		California beetles	Tomatoes, chili peppers, sunflowers, alliums (onions, garlic, etc), kales (cabbage, broccoli, etc)	Hosts nitrogen-fixing bacteria, a good fertilizer for some plants, too much for others
Beet Beet The beet is a plant in the Amaranthaceae. It is best known its numerous cultivated varieties, the most well known of which is probably the red root vegetable known as the garden beet.... s,	Beta Vulgaris	lettuce, kohlrabi, onions and brassicas	Catnip, Garlic, Mint			Runner or pole beans	Good for adding minerals to the soil through composting leafs which have up to 25% magnesium. Runner or pole beans and beets stunt each other's growth.
Broccoli Broccoli Broccoli is a plant of the cabbage family Brassicaceae .It is classified as the Italica cultivar group of the species Brassica oleracea. Broccoli possesses abundant arboreal, luscious, fleshy, flower heads, usually green in color, arranged in a tree-like fashion on branches sprouting from a thick, edible, sturdy, meaty stalk....	Brassica oleracea Brassica oleracea *Brassica oleracea* or Wild Mustard, is a species of Brassica native to coastal southern and western Europe, where its tolerance of sodium chloride and calcium carbonate and its intolerance of competition from other plants typically restrict its natural occurrence to limestone sea cliffs....		geraniums, dill, alliums, rosemary, nasturtium, borage			mustards, Tomatoes, peppers	Rosemary repels cabbage fly, geraniums trap cabbage worms, same general companion profile as all brassica (cabbage, kolhrabi, brussels sprouts, cauliflower, etc)
Cabbage Cabbage The cabbage is a leafy garden plant of the Family Brassicaceae , used as a Leaf vegetable. It is a herbaceous, biennial plant, dicotyledonous flowering plant distinguished by a short stem upon which is crowded a mass of leaves, usually green but in some varieties red or purplish, forming a characteristic compact, globular cluster ....	Brassica oleracea Brassica oleracea *Brassica oleracea* or Wild Mustard, is a species of Brassica native to coastal southern and western Europe, where its tolerance of sodium chloride and calcium carbonate and its intolerance of competition from other plants typically restrict its natural occurrence to limestone sea cliffs....		geraniums, dill, alliums, rosemary			mustards, Tomatoes, peppers strawberries, and pole/runner beans	Rosemary repels cabbage flies, geraniums trap cabbage worms, same general companion profile as all brassica (cabbage, kolhrabi, brussels sprouts, cauliflower, etc)
Carrot Carrot The carrot is a root vegetable, usually orange or white, or red-white blend in colour, with a crisp texture when fresh. The edible part of a carrot is a taproot.... s	Daucus carota Wild carrot *Daucus carota* is a flowering plant in the family Apiaceae, native to temperate regions of Europe, southwest Asia and northeast North America; domesticated carrots are cultivars of a subspecies, Daucus carota subsp....	Tomatoes, Alliums (onions, chives, etc), lettuce	alliums (leeks, shallots, etc), rosemary, wormwood, sage, beans, flax Flax Flax is a member of the genus Linum in the family Linaceae. It is native to the region extending from the eastern Mediterranean region to India and was probably first domesticated in the Fertile Crescent....	assassin bug, lacewing, parasitic wasp, yellow jacket and other predatory wasps		Dill, parsnip, radish	Tomatoes grow better with carrots, but may stunt the carrots' growth. Beans (which are bad for tomatoes) provide the nitrogen carrots need more than some other vegetables. Aromatic companion plants repel carrot fly Carrot fly The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae.... . Sage, rosemary, and radishes are recommended by some as companion plants, but listed by others as incompatible. alliums interplanted with carrots confuse onion and carrot flies. For the beneficial insect-attracting properties of carrots to work, they need to be allowed to flower; Otherwise, use the wild carrot, Queen Anne's Lace, for the same effect. Flax produces an oil that may protect root vegetables like carrots from some pests.
Celery Celery *Apium graveolens* is a plant species in the family Apiaceae commonly known as celery or celeriac depending on whether the petioles or roots are eaten.... ,	Apium graveolens		Cosmos, Daisies, Snapdragons			corn, Aster flowers, these can transmit the aster yellows disease
Corn Corn Corn may refer to:... / Maize	Zea mays	beans	Sunflowers, legumes (beans, peas, soybeans etc), peanuts, curcubits (squash, cucumbers, melons, etc), amaranth, white geranium, lamb's quarters, morning glory, parsley, and potato			Tomato, Celery	provides beans with a trellis, is protected from predators and dryness by cucurbits, in the three sisters Three Sisters (agriculture) The Three Sisters are the three main agricultural crops of some Indigenous peoples of the Americas groups in North America: Squash , maize, and climbing beans .... technique
Cucumber Cucumber The cucumber is a widely cultivated plant in the gourd family Cucurbitaceae, which includes squash , and in the same genus as the muskmelon....	Cucumis Sativus		Nasturtiums, radishes, marigolds, sunflowers peas, beets, carrots, and Dill	Beneficial for ground beetles		Tomato, Sage
Common name	scientific name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Eggplant	Solanum melongena	Beans, Peppers	Marigolds, tarragon Tarragon Tarragon or dragon's-wort is a perennial plant herb in the family Asteraceae related to Artemisia . Corresponding to its species name, a common term for the plant is "dragon herb." It is native to a wide area of the Northern Hemisphere from easternmost Europe across central and eastern Asia to India, western North America, and south to... , mints			Runner beans	Marigolds will deter nematodes.
Leek Leek The leek, Allium ampeloprasum var. porrum , also sometimes known as Allium porrum, is a vegetable which belongs, along with the onion and garlic, to the Alliaceae family....	Allium ampeloprasum v. porrum Leek The leek, Allium ampeloprasum var. porrum , also sometimes known as Allium porrum, is a vegetable which belongs, along with the onion and garlic, to the Alliaceae family....	Celery, apple trees	carrots		cabbage worms, aphids, carrot fly Carrot fly The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae.... , others	Legumes (beans, peas, etc)	Same companion traits as all alliums (onions, garlic, shallots, chives, etc)
Lettuce Lettuce Lettuce is a temperate annual plant or biennial plant of the daisy family Asteraceae. It is most often grown as a leaf vegetable. In many countries, it is typically eaten cold, raw, in salads, hamburgers, tacos, and in many other dishes....	Lactuca sativa		Radish, Kohlrabi, beans, carrots			celery, cabbage, cress, parsley	Mints (including hyssop, sage, and various "balms") repel slugs, a bane of lettuce and cabbages
Mustard Mustard plant Mustards are several plant species in the genera Brassica and Sinapis whose small mustard seeds are used as a spice and, by grinding and mixing them with water, vinegar or other liquids, are turned into the condiment known as Mustard ....	Brassicaceae, Sinapis alba	Cabbage, cauliflower, radish, brussels sprouts, turnips			various pests		same general companion profile as all brassica (cabbage, kolhrabi, brussels sprouts, cauliflower, etc)
Nightshades	Solanaceae Solanaceae The Solanaceae is a family of flowering plants, that contains a number of important agricultural plants as well as many toxic plants. The name of the family comes from the Latin Solanum "the nightshade plant", but the further etymology of that word is unclear....		carrots, alliums, mints (basil, oregano, etc)			beans, black walnuts, corn, fennel, dill, brassica (broccoli, cabbage, cauliflower, etc)	Nightshade plants include tomatoes, tobacco, chili peppers (including bell peppers), potatoes, eggplant, and others
Common name	scientific name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Pepper Chili pepper Chili pepper is the fruit of the plants from the genus Capsicum, members of the Solanaceae, Solanaceae. Botany considers the plant a berry bush.... s	Solanaceae, Capsicum Capsicum *Capsicum* is a genus of plants from the nightshade family native to the Americas, where it was cultivated for thousands of years by the people of the tropical Americas, and is now cultivated worldwide....	themselves, marjoram	tomatoes, geraniums, petunias			beans, kale (cabbage, brussels sprouts, etc)	Pepper plants like high humidity, which can be helped along by planting with some kind of dense-leaf or ground-cover companion, like majoram and basil; they also need direct sunlight, but their fruit can be harmed by it...pepper plants grown together, or with tomatoes, can shelter the fruit from sunlight, and raises the humidity level.
Onion Onion Onion is a term used for many plants in the genus Allium. They are known by the common name "onion" but, used without qualifiers, it usually refers to *Allium cepa*....	Allium cepa	Tomatoes, Kales (broccoli, cabbage, etc)	Carrots		aphids, carrot fly Carrot fly The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae.... , other pests	beans, peas, parsley, leeks	Same companion traits as all other alliums (chives, garlic, shallots, leeks, etc)
Potato Potato The potato is a starchy, tuberous crop from the perennial plant Solanum tuberosum of the Solanaceae family. The word potato may refer to the plant itself as well....	Solanum tuberosum		Horseradish			Sunflower, Tomato, Cucumber	horseradish increases the disease resistance of potatoes
Pumpkin Pumpkin Pumpkin is a gourd-like Squash of the genus Cucurbita and the family Cucurbitaceae . It is a common name of or can refer to cultivars of any one of the following species: Cucurbita pepo, Cucurbita mixta, Cucurbita maxima, and Cucurbita moschata.... Squash	Curcurbita spp	corn, beans	Buckwheat, catnip, tansy, radishes	Spiders, Ground Beetles			Flea Beetles are warded off by radishes, Curcurbita can be used in the three sisters Three Sisters (agriculture) The Three Sisters are the three main agricultural crops of some Indigenous peoples of the Americas groups in North America: Squash , maize, and climbing beans .... technique
Spinach Spinach Spinach is a flowering plant in the family of Amaranthaceae. It is native to central and southwestern Asia. It is an annual plant , which grows to a height of up to 30 cm....	Spinacia oleracea		Peas, Beans				The peas and beans provide natural shade for the spinach
Tomato Tomato The Tomato is an herbaceous, usually sprawling plant in the Solanaceae or nightshade family, as are its close cousins Nicotiana, potatoes, aubergine , chilli peppers, and the poisonous Atropa belladonna.... es	Solanum lycopersicum	roses, peppers, asparagus	basil, oregano, parsley, carrots, marigold, Alliums, celery, Geraniums, Petunias, Nasturtium, Borage		asparagus beetle	Black walnut, corn, fennel, peas, dill, potatoes, beetroot, kales (kohlrabi, cabbage, etc), rosemary	Black walnut Black Walnut Black walnut or American walnut is a species of Flowering plant tree in the hickory family, Juglandaceae, that is native to eastern North America.... s inhibit tomato growth, in fact they are allelopathic to all other nightshade plants (chili pepper, potato, tobacco, petunia) as well, because it produces a chemical called juglone Juglone Juglone is an aromatic organic compound with the molecular formula C10H6O3. It occurs naturally in the leaves, roots and bark of plants in the Juglandaceae family, particularly the Black Walnut.... .

Herbs

Herbs
Common name	scientific name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Basil Basil Basil , of the Family Lamiaceae. Basil is a tender low-growing herb that is grown as a Perennial plant in warm, tropical climates. Basil is originally native to Iran, India and other tropical regions of Asia, having been cultivated there for more than 5,000 years....	Ocimum basilicum	tomato, peppers, oregano, asparagus, petunias	chamomile, anise	butterflies	asparagus beetle, mosquitoes and flies	common rue, sage	is said to make tomatoes taste better, chamomile and anise are supposed to increase the essential oils in many herbs like basil
Borage Borage Borage , also known as "starflower" is an annual herb originating in Syria, but naturalized throughout the Mediterranean region, as well as Asia Minor, Europe, North Africa, and South America....	Borago officinalis	Almost everything, especially strawberry, cucurbits (cucumber, gourds), tomatoes		Predatory insects, honeybees	many pests		Borage is the magic bullet of companion plants
Caraway Caraway Caraway or Persian cumin is a biennial plant in the family Apiaceae, native to Europe and western Asia.The plant is similar in appearance to a carrot plant, with finely divided, feathery leaves with thread-like divisions, growing on 20?30 cm stems....	Carum carvi	Strawberries		Parasitic wasps, parasitic flies
Chamomile German Chamomile *Matricaria recutita* or German chamomile, also spelled camomile, is an annual plant of the sunflower family Asteraceae. Synonyms are: Chamomilla chamomilla, Chamomilla recutita , Matricaria chamomilla, and Matricaria suaveolens....	Matricaria recutita	Basil, Wheat, Onion, Cabbage, Cucumber		Hoverflies, wasps		Growing near herbs will increase their oil production.
Chervil Chervil Chervil is a delicate annual plant herb related to parsley. Sometimes called garden chervil, it is used to season mild-flavoured dishes and is a constituent of the French herb mixture fines herbes....	Anthriscus cerefolium	Radish, lettuce, broccoli			aphids		loves shade, fortunately it grows well with shade-tolerant food plants; will make radishes grown near it taste spicier
Cilantro / Coriander	Coriandrum sativum	spinach	beans, peas	tachinid fly	aphids
chives	Allium schoenoprasum	Apples, carrots, tomatoes, brassica (broccoli, cabbage, mustard, etc), many others	carrots		cabbage worms, carrot fly Carrot fly The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae.... , aphids	beans, peas	Same companion traits as all alliums (onions, garlic, shallots, leeks, etc)said to prevent apple scab after 3 years planting at base of apple trees
Common name	scientific name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Dill Dill Dill is a short-lived perennial plant herbaceous. It is the sole species of the genus Anethum, though classified by some botanists in a related genus as Peucedanum graveolens C.B.Clarke....	Anethum graveolens	Cabbages Brassica oleracea *Brassica oleracea* or Wild Mustard, is a species of Brassica native to coastal southern and western Europe, where its tolerance of sodium chloride and calcium carbonate and its intolerance of competition from other plants typically restrict its natural occurrence to limestone sea cliffs.... , Corn, Lettuce, Onions, Cucumbers		Hoverflies, Wasps, Tomato Horn Worms, honeybees, Ichneumonid Wasps	Aphids, spider mites, squash bugs, cabbage looper	carrots, tomatoes	one of the few plants said to grow with fennel
Fennel Fennel Fennel is a plant species in the genus Foeniculum . It is a member of the family Apiaceae . It is a hardy, perennial plant, umbelliferous herb, with yellow flowers and feathery leaf....	Foeniculum vulgare	Dill	Dill	ladybugs, syrphid fly, tachinid fly	aphids	Almost everything	Fennel is allelopathic to most garden plants, inhibiting growth, causing to bolt, or actually killing many plants
Garlic Garlic Allium sativum L., commonly known as garlic, is a species in the onion family Alliaceae. Its close relatives include the onion, shallot, leek, and chive....	Allium sativum	Apple trees, Pear trees, Roses, Cucumbers, Peas, Lettuce, Celery			Aphids, cabbage looper, ants, rabbits, cabbage maggot		Deters rabbits, same companion traits as all alliums (onions, chives, shallots, leeks, etc)
Hemp Hemp File:Industrialhemp.jpgHemp is the common name for plants of the entire genus Cannabis, although the term is often used to refer only to Cannabis strains cultivated for industrial use....	Cannabis sativa L. subsp. sativa	Brassica (cabbage, brussels sprouts, other kales)					Repels many types of beetles which attack cabbages.
Hyssop Hyssop Hyssop is a genus of about 10-12 species of herbaceous or subshrub plants in the family Lamiaceae, native from the east Mediterranean to central Asia....	Hyssopus officinalis	Cabbage, grapes		honeybees, butterflies	Cabbage moth larvae, Cabbage Butterflies Large White The Large White, also called Cabbage Butterfly or Cabbage White , is a butterfly in the family Pieridae. This butterfly is called the Large Cabbage White in India....		Stimulates growth of grapes.
Lovage Lovage Lovage is a plant, the Leaf and seeds or fruit of which are used to flavor food, especially in South European cuisine. It is a tall Perennial plant that vaguely resembles its cousin celery in appearance and in flavor....	Levisticum officinale	Almost all plants	beans	Ichneumonid Wasps, ground beetles (good)		rhubarb	Is thought to improve the health of almost all plants, like borage and geraniums, is considered a "magic bullet" of companion planting
Oregano Oregano Oregano or is a species of Origanum, native to Europe, the Mediterranean region and southern and central Asia. It is a perennial plant herb, growing to 20-80 cm tall, with opposite leaf 1-4 cm long....	Origanum vulgare	Tomatoes, peppers, many other plants	basil		aphids		provides ground cover and much-needed humidity for pepper plants if allowed to spread among them
Common name	scientific name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Peppermint Peppermint Peppermint is a Hybrid Mentha, a cross between the watermint and spearmint . The plant, indigenous to Europe, is now widespread in cultivation throughout all regions of the world....	Mentha piperita	Brassica (cabbage, kholrabi, broccoli, and the other kales)			cabbage fly, ants, cabbage looper		Repels cabbage flies, has same general companion properties as other mints
Rosemary Rosemary Rosemary is a woody, perennial plant herb with fragrant evergreen needle-like leaf. It is native to the Mediterranean region. It is a member of the mint family Lamiaceae, which also includes many other herbs....	Rosmarinus officinalis	sage Common sage *Salvia officinalis* is a small perennial evergreen subshrub, with woody stems, grayish leaves, and blue to purplish flowers. It is native to the Mediterranean region and commonly grown as a kitchen and medicinal herb or as an ornamental garden plant.... , cabbage, beans, carrots			bean beetle		Deters cabbage flies, repels many bean parasites
Sage Common sage *Salvia officinalis* is a small perennial evergreen subshrub, with woody stems, grayish leaves, and blue to purplish flowers. It is native to the Mediterranean region and commonly grown as a kitchen and medicinal herb or as an ornamental garden plant....	Salvia officinalis	rosemary Rosemary Rosemary is a woody, perennial plant herb with fragrant evergreen needle-like leaf. It is native to the Mediterranean region. It is a member of the mint family Lamiaceae, which also includes many other herbs.... , cabbage, beans, carrots		honeybees, cabbage butterfly Large White The Large White, also called Cabbage Butterfly or Cabbage White , is a butterfly in the family Pieridae. This butterfly is called the Large Cabbage White in India....	cabbage flies, carrot fly Carrot fly The carrot fly is a pest of gardens and farms, and mainly affects the crop of carrots, but can also attack parsnips, parsley and celery.It is a member of the "Diptera" family Psilidae.... , black flea beetle, cabbage looper, cabbage maggot		Deters cabbage flies, repels many bean parasites
Southernwood Southernwood Southernwood is a flowering plant. Found in Europe, the genus Artemisia was named for the Goddess Artemis. Southernwood is known by many other names including Old Man, Boy's Love, Oldman Wormwood, Lover's Plant, Appleringie, Garderobe, Our Lord's Wood, Maid's Ruin, Garden Sagebrush, European Sage, Lad's Love, Southern Wormwood, and Lemo...	Artemisia abrotanum	Fruit trees					Controls cabbage moths and malaria mosquitoes.
Spearmint Spearmint *Mentha spicata* is a species of Mentha native to much of Europe and southwest Asia, though its exact natural range is uncertain due to extensive early cultivation....	Mentha spicata				ants, aphids		Controls ants and aphids, has same general companion properties as other mints.
Summer Savoury Savory (herb) *Satureja* is a genus of aromatic plants of the family Lamiaceae, related to rosemary and thyme. There are about 30 species called savories, of which Summer Savory and Winter Savory are the most important in cultivation....	Satureja hortensis	Green beans, onions,					also delays germination of certain foul herbs
Tansy Tansy Tansy is a perennial herbaceous flowering plant of the Asteraceae family that is native to temperate Europe and Asia. It has been introduced to other parts of the world and in some cases has become invasive....	Tanacetum vulgare	beans, cucurbits (cucumbers, squash, etc), corn, roses		honeybees	flying insects(Ichneumonid Wasps), Japanese beetles, striped cucumber beetles, squash bugs and ants		Is reputed to generally repel insects (except for nectar-eating types). This herb should not be consumed, as it is quite toxic.

Flowers

Flowers
Common Name	Latin Name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Geraniums Pelargonium *Pelargonium* is a genus of flowering plants which includes about 200 species of perennial plants, succulent plants, and shrubs, commonly known as geraniums or storksbills....	Pelargonium spp.	Roses, tomatoes, peppers, grapes			leafhoppers, Japanese beetles		A trap crop Trap crop A trap crop is a plant that attracts parasitic insects away from attacking nearby crops. This form of companion planting can save the main target of agriculture from decimation by pests without the potential issues and controversy involved in using pesticides.... , attracting pests away from rose Rose A rose is a perennial plant flower shrub or vine of the genus *Rosa, within the family Rosaceae, that contains over 100 species and comes in a variety of colors.... s and grape vines, distracts beet leafhoppers, carrier of the curly top virus, away from Solanaceous Solanaceae The Solanaceae* is a family of flowering plants, that contains a number of important agricultural plants as well as many toxic plants. The name of the family comes from the Latin Solanum "the nightshade plant", but the further etymology of that word is unclear.... plants like tomatoes, peppers, eggplant, and tobacco
Marigold Marigold Marigold may refer to:Plants:* Marigold , Tagetes* Pot marigold, Calendula* Mexican marigold, Tagetes erecta* Tree marigold, Tithonia diversifolia...	Asteraceae Asteraceae The family Asteraceae or Compositae is the largest family of flowering plants, in terms of number of species.The name 'Asteraceae' is derived from the type genus Aster , while 'Compositae', an older but still valid name, means composite and refers to the characteristic inflorescence, a special type of pseudanthium found in o... Calendula officinalis	most plants, especially tomatoes and peppers, cucurbits (cucumbers, gourds, squash), brassicas (broccoli, kale, cabbage)			nematodes, beet leaf hoppers, other pests		Marigolds are a wonder-drug of the companion plant world, invoking the saying "plant them everywhere in your garden". French marigolds produce a pesticidal chemical from their roots, so strong it lasts years after they are gone. Mexican marigolds do the same, but are so strong they will inhibit the growth of some more tender herbs. Certain Varieties of marigolds (Tagetes Tagetes *Tagetes* is a genus of 52 species of Annual plant and perennial plant herbaceous plants in the daisy family . They are native to the area stretching from the southwestern United States into Mexico and south throughout South America.... ) can help manage eelworms (Root-knot nematode Root-knot nematode Root-knot nematodes are plant-parasitism nematodes from the genus *Meloidogyne*. They exist in soil in areas with hot climates or short winters.... ) when planted the year before.
Petunia Petunia *Petunia* is a trumpet shaped, widely-cultivated genus of flowering plants of South American origin, in the family Solanaceae. The popular flower got its name from French, which took the word petun 'tobacco' from a Tupi-Guarani language....	Petunia x hybrida	cucurbits (squash, pumpkins, cucumbers), asparagus			leafhoppers, Japanese beetles, aphids, asparagus beetle		Is a trap crop almost identical to geraniums in function
Nasturtium Nasturtium Nasturtium , as a common name, refers to a genus of roughly 80 species of Annual plant and perennial plant herbaceous plant flowering plants in the genus *Tropaeolum* , one of three genera in the family Tropaeolaceae....	Tropaeolum majus Tropaeolum majus *Tropaeolum majus* is a flowering plant in the family Tropaeolaceae, originating in South America in the Andes from Bolivia north to Colombia....	Many plants, especially cucurbits (melons, cucumbers, gourds), beans, tomatoes, apple trees, brassicas (broccoli, cabbage, etc), radish		predatory insects	aphids, cabbage looper, squash bug, white fly, cucumber beetles	radish, cauliflower
Sunflower Sunflower The sunflower is an annual plant in the family Asteraceae and native to the Americas, with a large flowering head . The stem can grow as high as 3 meters , and the flower head can reach 30 cm in diameter with the "large" seeds....	Helianthus annuus	corn, tomatoes			aphids		Was grown as a companion for corn(maize) before modern Europeans arrived in the Americas, supposedly increases their production, ants herd aphids onto sunflowers, keeping them off neighboring plants
Tansy Tansy Tansy is a perennial herbaceous flowering plant of the Asteraceae family that is native to temperate Europe and Asia. It has been introduced to other parts of the world and in some cases has become invasive....	Tanacetum vulgare	cucurbits (cucumbers, squash, etc), raspberries and relatives, roses, corn			sugar ants, Japanese beetles, cucumber beetles, squash bugs, mice MICE MICE is an acronym for:International Muon Ionization Cooling Experiment"Money, Ideology, Compromise, Ego", four factors by which spies may be recruited....		Toxic to many animals, don't plant it where livestock browse
Yarrow Yarrow *Achillea millefolium* or Yarrow is a flowering plant in the family Asteraceae, native to the Northern Hemisphere....	Achillea millefolium	many plants		predatory wasps, ladybugs, hoverflies, damselbug Nabidae The insecta family Nabidae contains the damsel bugs. The terms damsel bug and nabid are synonymous. There are over 400 species. They are soft-bodied, elongate, winged terrestrial predators.... s			May increase the essential oil production of some herbs. Also improves soil quality, use the leaves to enrich compost, or as mulch.

Other

Other
Common Name	Latin Name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Alfalfa Alfalfa Alfalfa is a flowering plant in the pea family Fabaceae cultivated as an important forage crop. In the United Kingdom, Australia and New Zealand it is known as lucerne and as lucerne grass in south Asia....	Medicago sativa	Cotton		assassin bug, big-eyed bug, Ladybug, parastic wasps	Lygus bugs		Used by farmers to reduce cotton pests, a good crop to improve soil; fixes nitrogen like beans do. Also breaks up hardpan and other tough soil.

Trees

Apple

APPLE TREES
Common Name	Latin Name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Apple APPLE This article is about the satellite APPLE. For the fruit apple, see Apple. For other uses see Apple .The Ariane Passenger PayLoad Experiment , was an experimental communication satellite with a C-Band transponder launched by Indian Space Research Organisation satellite on June 19, 1981 by Ariane 1, a launch vehicle of the European Spac...	Malus domestica		Clover Clover Clover , or trefoil, is a genus of about 300 species of plants in the pea family Fabaceae. The genus has a cosmopolitan distribution; the highest diversity is found in the temperate Northern Hemisphere, but many species also occur in South America and Africa, including at high altitudes on mountains in the tropics.... , Chive, Garlic Garlic Allium sativum L., commonly known as garlic, is a species in the onion family Alliaceae. Its close relatives include the onion, shallot, leek, and chive.... , Leek Leek The leek, Allium ampeloprasum var. porrum , also sometimes known as Allium porrum, is a vegetable which belongs, along with the onion and garlic, to the Alliaceae family.... , Nasturtium Nasturtium Nasturtium , as a common name, refers to a genus of roughly 80 species of Annual plant and perennial plant herbaceous plant flowering plants in the genus *Tropaeolum* , one of three genera in the family Tropaeolaceae.... , Southernwood Southernwood Southernwood is a flowering plant. Found in Europe, the genus Artemisia was named for the Goddess Artemis. Southernwood is known by many other names including Old Man, Boy's Love, Oldman Wormwood, Lover's Plant, Appleringie, Garderobe, Our Lord's Wood, Maid's Ruin, Garden Sagebrush, European Sage, Lad's Love, Southern Wormwood, and Lemo...

Apricot

APRICOT TREES
Common Name	Latin Name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Apricot Apricot The Apricot is a species of Prunus, classified with the plum in the subgenus Prunus. The native range is somewhat uncertain due to its extensive prehistoric cultivation, but most likely in northern and western China and Central Asia, possibly also Korea and Japan....	Prunus armeniaca						A fungus that peppers are prone to can infect apricot trees causing a lot of harm.

Walnut

WALNUT TREES
Common Name	Latin Name	Helps	Helped by	Attracts	Repels / Distracts	Avoid	Comments
Walnut Walnut Walnuts are plants in the family Juglandaceae. They are deciduous trees, 10–40 meter s tall , with pinnate leaves 200?900 millimetres long , with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnut but not the hickory in the same family....	Juglans						Black walnut is harmful to the growth of all nightshade plants, including Datura Datura *Datura* is a genus of nine species of Vespertine flowering plants belonging to the family Solanaceae. Their exact natural distribution is uncertain, due to extensive cultivation and naturalisation throughout the temperate and tropical regions of the globe, but is most likely restricted to the Americas, from the United States south throug... or Jimson weed, eggplant, mandrake Mandrake (plant) Mandrake is the common name for members of the plant genus *Mandragora* belonging to the nightshades family . Because mandrake contains deliriant hallucinogenic tropane alkaloids such as hyoscyamine and the roots sometimes contain bifurcations causing them to resemble human figures, their roots have long been used in magic rituals, t... , deadly nightshade Deadly nightshade *Atropa belladonna* or *Atropa bella-donna, commonly known as belladonna* or deadly nightshade, is a perennial plant herbaceous plant in the family Solanaceae, native to Europe, North Africa, and Western Asia.... or belladonna, capsicum Capsicum *Capsicum* is a genus of plants from the nightshade family native to the Americas, where it was cultivated for thousands of years by the people of the tropical Americas, and is now cultivated worldwide.... (paprika Paprika Paprika is a spice made from the grinding of many dried sweet red or green bell peppers . In many European countries, the word paprika also refers to bell peppers themselves.... , chile pepper), potato Potato The potato is a starchy, tuberous crop from the perennial plant Solanum tuberosum of the Solanaceae family. The word potato may refer to the plant itself as well.... , tobacco Tobacco Tobacco is an agricultural product processed from the fresh leaves of plants in the genus Nicotiana. It can be consumed, used as an organic pesticide, and in the form of nicotine tartrate it is used in some medicines.... , tomato Tomato The Tomato is an herbaceous, usually sprawling plant in the Solanaceae or nightshade family, as are its close cousins Nicotiana, potatoes, aubergine , chilli peppers, and the poisonous Atropa belladonna.... , and petunia Petunia *Petunia* is a trumpet shaped, widely-cultivated genus of flowering plants of South American origin, in the family Solanaceae. The popular flower got its name from French, which took the word petun 'tobacco' from a Tupi-Guarani language.... .

List of companion plants

Vegetables

Herbs

Flowers

Other

Trees

Apple

Apricot

Walnut

See also