Companion Plant Relationships – Common Vegetable and Herbs

1. Companion Plant Relationships – Common Vegetable & Herbs
As formated from WikiPedia - http://en.wikipedia.org/wiki/List_of_companion_plants
VEGETABLES
Common name Botanical Name Helps Helped by Attracts Repels / Distracts Avoid Comments
fruit trees, nightshades
(tomatoes, peppers,
Alliums (Onion & slugs, aphids, carrot fly, Alliums include onions, garlic,
Allium potatoes, etc), brassicas carrots beans, peas, parsley
Garlic) cabbage worms[1] leeks, shallots, chives, and others
(cabbage, broccoli, kohlrabi,
etc) carrots
Aster Family flowers, Dill,
Coriander, Tomatoes,
Asparagus Asparagus officinalis Tomatoes Onion, Garlic, Potatoes Marigolds will deter beetles.
Parsley, Basil, Comfrey,
Marigolds
geraniums, dill, alliums Brassicas are a family of species
(onions, shallots, garlic, mustards, nightshades which include broccoli, cabbage,
Brassicas Brassica
etc), rosemary, nasturtium, (tomatoes, peppers, etc) brussels sprouts, kohlrabi, and
borage cauliflower.
Corn (see Three Sisters),
Tomatoes, chili peppers,
Spinach, lettuce, rosemary, Hosts nitrogen-fixing bacteria, a good
sunflowers, alliums (onions,
Beans, Phaseolus summer savory, dill, carrots, Eggplant, Summer savory California beetles fertilizer for some plants, too much for
garlic, etc), kales (cabbage,
brassicas, beets, radish, others
broccoli, etc)
strawberry and cucumbers
Good for adding minerals to the soil
through composting leaves which
lettuce, kohlrabi, onions and
Beets, Beta Vulgaris Catnip, Garlic, Mint Runner or pole beans have up to 25% magnesium. Runner
brassicas
or pole beans and beets stunt each
other's growth.
Rosemary repels cabbage fly,
geraniums, dill, alliums, geraniums trap cabbage worms,
mustards, Tomatoes,
Broccoli Brassica oleracea rosemary, nasturtium, same general companion profile as all
peppers
borage brassica (cabbage, kohlrabi, brussels
sprouts, cauliflower, etc)
Rosemary repels cabbage flies,
mustards, Tomatoes, geraniums trap cabbage worms,
geraniums, dill, alliums,
Cabbage Brassica oleracea peppers strawberries, and same general companion profile as all
rosemary
pole/runner beans brassica (cabbage, kohlrabi, brussels
sprouts, cauliflower, etc)
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. Sage, rosemary, and
radishes are recommended by some
alliums (leeks, shallots, assassin bug, lacewing, parasitic as companion plants, but listed by
Tomatoes, Alliums (onions,
Carrots Daucus carota etc), rosemary, wormwood, wasp, yellow jacket and other Dill, parsnip, radish others as incompatible. Alliums inter-
chives, etc), lettuce
sage, beans, flax predatory wasps planted 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.
corn, Aster flowers, these
Cosmos, Daisies,
Celery, Apium graveolens can transmit the aster
Snapdragons
yellows disease
Sunflowers, legumes
(beans, peas, soybeans
etc), peanuts, cucurbits Provides beans with a trellis, is
(squash, cucumbers, protected from predators and dryness
Corn / Maize Zea mays beans Tomato, Celery
melons, etc), amaranth, by cucurbits, in the three sisters
white geranium, lamb's technique
quarters, morning glory,
parsley, and potato
Nasturtiums, radishes,
marigolds, sunflowers
Cucumber Cucumis Sativus Beneficial for ground beetles Tomato, Sage
peas, beets, carrots, and
Dill

2. Eggplant or
Solanum melongena Beans, Peppers Marigolds, tarragon, mints Marigolds will deter nematodes.
Aubergine
cabbage worms, aphids, Same companion traits as all alliums
Leek Allium ampeloprasum Celery, apple trees
v. porrum carrots Legumes (beans, peas, etc)
carrot fly, others (onions, garlic, shallots, chives, etc)
Mints (including hyssop, sage, and
Radish, Kohlrabi, beans, celery, cabbage, cress,
Lettuce Lactuca sativa various "balms") repel slugs, a bane
carrots parsley
of lettuce and cabbages
Cabbage, cauliflower, Same general companion profile as
Brassicaceae,
Mustard radish, brussels sprouts, various pests all brassica (cabbage, kohlrabi,
Sinapis alba
turnips brussels sprouts, cauliflower, etc)
beans, black walnuts, corn, Nightshade plants include
carrots, alliums, mints fennel, dill, brassica tomatoes, tobacco, chili peppers
Nightshades Solanaceae
(basil, oregano, etc) (broccoli, cabbage, (including bell peppers), potatoes,
cauliflower, etc) eggplant, and others
Pepper plants like high humidity,
which can be helped along by planting
with some kind of dense-leaf or
ground-cover companion, like
Solanaceae, tomatoes, geraniums, beans, kale (cabbage, marjoram and basil; they also need
Peppers themselves, marjoram
Capsicum petunias brussels sprouts, etc) 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.
Same companion traits as all other
Tomatoes, Kales (broccoli, aphids, carrot fly, other
Onion Allium cepa Carrots beans, peas, parsley alliums (chives, garlic, shallots, leeks,
cabbage, etc) pests
etc)
Sunflower, Tomato, Horseradish increases the disease
Potato Solanum tuberosum Horseradish
Cucumber resistance of potatoes
The flowers of the parsnip plant left to
seed will attract a variety of predatory
insects to the garden, they are
particularly helpful when left under
fruit trees, the predators attacking
codling moth and light brown apple
moth. The root also contains
Parsnip Pastinaca Sativa fruit trees a variety of predatory insects Myristricin, which is toxic to fuit flies,
house flies, red spider mite, pea
aphids, an simple blender made
extraction of three blended parsnips
roots to one litre of water through a
food processor (not one for preparing
food) and left overnight, strained and
use within a few days.
Flea Beetles are warded off by
Buckwheat, catnip, tansy,
Pumpkin Squash Curcurbita spp corn, beans Spiders, Ground Beetles radishes, Curcurbita can be used in
radishes
the three sisters technique
The peas and beans provide natural
Spinach Spinacia oleracea Peas, Beans
shade for the spinach
basil, oregano, parsley,
Black walnut, corn, fennel,
carrots, marigold, Alliums,
peas, dill, potatoes,
Solanum celery, Geraniums,
Tomatoes roses, peppers, asparagus asparagus beetle beetroot, brassicas
lycopersicum Petunias, Nasturtium,
(kohlrabi, cabbage, etc),
Borage, any type of onion
rosemary
or chives

3. HERBS
Common name Botanical Name Helps Helped by Attracts Repels / Distracts Avoid Comments
is said to make tomatoes taste better,
common rue, sage,
tomato, peppers, oregano, asparagus beetle, chamomile and anise are supposed to
Basil Ocimum basilicum chamomile, anise butterflies rosemary (basil will kill your
asparagus, petunias mosquitoes and flies increase the essential oils in many
rosemary)
herbs like basil
Almost everything,
especially strawberry, Borage is the magic bullet of
Borage Borago officinalis Predatory insects, honeybees many pests
cucurbits (cucumber, companion plants
gourds), tomatoes
Caraway Carum carvi Strawberries Parasitic wasps, parasitic flies
Basil, Wheat, Onion, Growing near herbs will
Chamomile Matricaria recutita Hoverflies, wasps
Cabbage, Cucumber increase their oil production.
loves shade, fortunately it grows well
with shade-tolerant food plants; will
Chervil Anthriscus cerefolium Radish, lettuce, broccoli aphids
make radishes grown near it taste
spicier
aphids, spider mites and
Cilantro / Coriander Coriandrum sativum spinach beans, peas tachinid fly
potato beetle
Same companion traits as all alliums
Apples, carrots, tomatoes,
Allium cabbage worms, carrot fly, (onions, garlic, shallots, leeks,
Chives brassica (broccoli, cabbage, carrots beans, peas
schoenoprasum aphids etc)said to prevent apple scab after 3
mustard, etc), many others
years planting at base of apple trees
Tiger Swallowtail
Aphids, spider mites,
Cabbages, Corn, Lettuce, butterflies/caterpillars, Hoverflies, one of the few plants said to grow with
Dill Anethum graveolens squash bugs, cabbage carrots, tomatoes
Onions, Cucumbers Wasps, Tomato Horn Worms, fennel
looper
honeybees, Ichneumonid Wasps
Fennel is allelopathic to most garden
Fennel Foeniculum vulgare Dill Dill ladybugs, syrphid fly, tachinid fly aphids Almost everything plants, inhibiting growth, causing to
bolt, or actually killing many plants
Apple trees, Pear trees, Aphids, cabbage looper, Deters rabbits, same companion traits
Garlic Allium sativum Roses, Cucumbers, Peas, ants, rabbits, cabbage as all alliums (onions, chives, shallots,
Lettuce, Celery maggot leeks, etc)
Cannabis sativa L. Brassica (cabbage, brussels Repels many types of beetles which
Hemp
subsp. sativa sprouts, other kales) attack cabbages.
Cabbage moth larvae,
Hyssop Hyssopus officinalis Cabbage, grapes honeybees, butterflies Stimulates growth of grapes.
Cabbage Butterflies
Is thought to improve the health of
Ichneumonid Wasps, ground almost all plants, like borage and
Lovage Levisticum officinale Almost all plants beans rhubarb
beetles (good) geraniums, is considered a "magic
bullet" of companion planting
provides ground cover and much-
Tomatoes, peppers, many
Oregano Origanum vulgare basil aphids needed humidity for pepper plants if
other plants
allowed to spread among them
Brassica (cabbage, kholrabi, Repels cabbage flies, has same
cabbage fly, ants, cabbage
Peppermint Mentha piperita broccoli, and the other general companion properties as
looper
kales) other mints
Rosmarinus sage, cabbage, beans, Deters cabbage flies, repels many
Rosemary bean beetle Basil
officinalis carrots bean parasites
cabbage flies, carrot fly,
rosemary, cabbage, beans, Deters cabbage flies, repels many
Sage Salvia officinalis honeybees, cabbage butterfly black flea beetle, cabbage
carrots bean parasites
looper, cabbage maggot
Controls cabbage moths and malaria
Southernwood Artemisia abrotanum Fruit trees
mosquitoes.
Controls ants and aphids, has same
Spearmint Mentha spicata ants, aphids general companion properties as
other mints.
also delays germination of certain foul
Summer Savoury Satureja hortensis Green beans, onions,
herbs
flying insects(Ichneumonid Is reputed to generally repel insects
beans, cucurbits
Wasps), Japanese beetles, (except for nectar-eating types). This
Tansy Tanacetum vulgare (cucumbers, squash, etc), honeybees
striped cucumber beetles, herb should not be consumed, as it is
corn, roses
squash bugs and ants quite toxic.
Its scent is disliked by most pests,
and this plant is also thought to have
Artemisia Everything, but especially
Tarragon Nurse Plant properties, enhancing the
dracunculus eggplant
growth and flavor of crops grown with
it.