Associations of crops in the vegetable garden

Associations of crops in the vegetable garden

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Like us, some plants are useful to neighbors or on the contrary cannot be tolerated.

Discover the associations of crops that are beneficial for your vegetable garden… And those to avoid!

Read also :

  • Rotating crops in the vegetable garden

Associate friendly plants

Crop associations consist of growing certain plants in the same place at the same time. This technique is part of the more global concept of permaculture. It is an alternative cultivation approach aimed at respecting the environment while offering products that are healthy for people.

For this, it goes without saying that pesticides are avoided! To do without it, crop associations are a great help. Some plants have the ability to repel pests, others limit the appearance of diseases. There are even plants that will enrich the soil, ideal for the most greedy vegetable plants!

Two types of associations

  • The allelopathic effect: it is about the beneficial or harmful effects of plants on each other.
  • Positioning and intercropping: it is about using the characteristics of plants wisely. For example, asparagus will create shade, or fast growing radishes can be sown at the same time as other plants that are slower to rise.

The 3 sisters

It is surely one of the most famous associations of cultures! Traditionally used by the Aztecs, it combines corn, beans and squash (only Cucurbita maxima).

The corn will serve as a support for the bean which has a climbing habit. The latter has the ability to fix nitrogen in the air to release it back into the soil. Finally, the squash keeps the soil cool thanks to its large leaves. This intelligent combination takes advantage of every advantage of plants while saving space on the ground.

Main cultural associations

Here is a non-exhaustive list of companion plants or, on the contrary, to be avoided.

PlantFavorable associationUnfavorable association
GarlicPeach, apple, pear, plum, chicory, Jerusalem artichoke, tomato, strawberry, raspberry, roseCabbage, potato, bean, pea, cabbage, artichoke, asparagus, marigold
ArtichokeCabbage, lettuce, spinach, parsley, nasturtiumGarlic
AsparagusPotato, cucumber, pickle, parsley, leek, peas, squash, basil, nasturtium, tomatoMint, beetroot, chard, chicory, onion, garlic, chives
BasilTomato, pepper, cucumber, pickle, squash, melon, cabbage, broad bean, zucchini, fennel, asparagusRue, absinthe
Swiss chard (or chard)This plant would be harmful to all the others, but this is to be confirmed by doing tests in your vegetable garden
BeetLettuce, celery, coriander, parsnipTomato, asparagus, spinach, leek
NasturtiumApple tree, radish, broccoli, bean, artichoke
CardonTo be associated with short-cycle crops such as radishes or lettuce when sowing
CarrotLeek, garlic, onion, shallot, chives, beetroot, peas, radish, lettuce, arugula, parsnip, tomato, bean, salsify, pepperDill, corn, chard
CeleryLeek, cabbageCorn, parsley, lettuce
Curly chicories and escarolesSpinach, arugula, marigoldBrussels sprouts, asparagus, turnip
CabbageDill, celery, bean, mustard, rosemary, tomato, wormwood, cosmos, sage, thyme, tomato, bean, mustard, lettuce, spinach, marigold, nasturtium beanChicory escarole, zucchini, watercress, fennel, lamb's lettuce, corn, radish, leek, strawberry, oregano, pepper
ChiveCarrot, apple, peach, currant, rosebush, blackcurrant, strawberry, cucumber, squashAsparagus, radish, beans
Cucumber and pickleBean, corn, peas, asparagus, celery, cabbageFennel, leek, lettuce, escarole chicory, melon, turnip
SquashCorn, beans, asparagus, celery, cabbage, lettuce, lamb's lettuce, peas, onion, basil, chives, cilantro, oregano, nasturtiumRadish, fennel
CourgetteBasil, nasturtiumCauliflower, radish, cucumber
ShallotCarrotBean, peas
SpinachCabbage, rose bush, artichoke, chicory, strawberry, bean, turnip, salsify, radishJerusalem artichoke, sunflower, beetroot, chard, fennel
FennelCeleriac, leek, basilTomato, wormwood, cucumber, pepper, spinach, bean, patisson, marigold, turnip, cabbage, coriander
BeanCabbage, potato, corn, lettuce, savory, basilOnion
strawberries treeLeek, garlic, chives, onion, peach, spinach, lettuce, lamb's lettuce, turnip, beanCabbage
BeanCorn, pumpkin, cabbage, melon, watermelon, carrot, celery, cabbage, cucumber, potato, spinach, lettuceLeek, garlic, shallot, onion, chives, fennel, peas, zucchini
LettuceCabbage, carrot, onion, cardoon, pea, beet, squash, broad bean, strawberry, melon, bean, turnip, leek, artichoke,Cucumber
ButBeetroot, beans, peas, pumpkinLettuce, onion
TurnipWild chicory, spinach, strawberryCurly chicory and escarole, savory, fennel
OnionCarrot, lettuce, lamb's lettuce, radishBean, peas
ParsnipRadish, beetroot, kohlrabi, white onionLettuce
WatermelonMelon, bean, tomato, cabbage
YamPepper, chilli
chilli pepperBasil, carrot, marjoram, oreganoFennel, kohlrabi, sweet potato
LeekCarrot, celery, strawberry, asparagus, lettuce, tomato lamb's lettuce, fennel, artichokeSwiss chard, beetroot, cabbage, beans, parsley, peas
PeasPotato, corianderOnion, garlic, shallot, leek, parsley
ChickpeaCorn, squash (Cucurbita pepo)
PepperOnion (to be checked)Solanaceae
PotatoAsparagus, German Chamomile, Nasturtium, Celery, Brussels Sprout, Head Cabbage, Chinese Chives, Cilantro, Broad Bean, Bean, Pea, Radish, MarigoldWalnut, sunflower
PumpkinCorn, bean
RadishWatercress, chervil, parsnip, carrot, peas, cucumber, pickle, spinach, beans, celeriac, potato, tomato, onionChives, cabbage
RocketBeetroot, carrot, curly chicory and escarole
TomatoIndia rose, marigold, cosmos, German chamomile, cabbage, geranium, watermelon, cucumberPotato, sunflower
Jerusalem artichokeKeep away from other plants

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