15 companion plants to associate with potatoes

If you are one of those who grow potatoes in the garden every year, you might not know that supplemental planting is good for you because you can get more production than usual. Today we are going to see some plants that you can associate with potatoes, plant them between or between the rows to improve productivity.

associated potatoes


The cabbage family is very large, with a few species such as cauliflower, cabbage, kale, kale, broccoli, kale… They are complementary plants because they have a superficial root system and do not compete with each other because those of the potato are deeper. Cabbages need less acidic soil than potatoes, one solution is to add a mulch of pine needles or bark to the potatoes.


Corn provides shade for potatoes and they also have shallow roots so they are not a competitor. When you sow the grain, you have to consider where the sun rises so that the light hits it at the same time. For example, the sun rises in the east, one would place the furrows or terraces towards the east so that they all receive the same light as it gets higher and so the maize harvest does not not completely cover the potatoes. They must also be provided with a good underwriter so that they do not lack nutrients.


Legumes such as beans, green beans, broad beans, peas, chickpeas… favor potato cultivation because they incorporate huge amounts of nitrogen during cultivation, which is excellent for potatoes because they ingest many nutrients. Green beans and peas are recommended to be short growing because in this way we do not have to put a system of tutors.


Wasabi is a sauce that is applied to certain foods and is made with a kind of radish. It is not a common species in orchards as it is demanding in cultivation. Instead, we can use another type of horseradish such as rustic weave, In addition to being used to make sauces, this radish is believed to repel the Colorado potato beetle.


Coriander is a plant that is good to mix with potatoes because it attracts many beneficial species that fight aphids, caterpillars or the Colorado potato beetle. Also when in flower, it attracts many pollinators.


Leeks are a crop that does not require much care as they do not have many pests affecting them. In addition, its superficial roots do not influence the cultivation of potatoes. If we plant them in stages (10 the first week, 10 more the second week), we will have leeks for the whole season.


Nasturtium is usually used as a plant to attract pests, it is convenient to sow its seeds on the edges of the garden so that the pests do not get to the potatoes. It also serves as a reservoir crop for predators and to attract pollinators. In addition, this plant is able to self-seed since the seeds that fall to the ground will come out on their own next spring.


They can be planted along the edges of the patio as they will act as a pest repellent. Planting onions and spring onions is not recommended as they cause stunted potato growth.


Lettuces can be planted between the rows of potatoes, they grow in a month and have short roots, so we will take advantage of the excess water from the first irrigations and by the time the potatoes are big we will already have harvest the lettuces.


Thyme repels beetles and attracts many predators and pollinators when in bloom. We can plant a few around the edges of the potato bed or just plant a few in the garden.


Sage cannot be missing from your aromatic hedge because it repels fleas, which are tiny beetles that feed on the leaves of your crops. It is easy to distinguish this pest because when you touch the leaf you will see them jump very quickly.


It attracts many predators, including hoverflies which, in addition to their larvae feeding on aphids, the adults are excellent pollinators. Syrphid flies are flies that pretend to be bees, they are brightly colored and fly the same way. If you look closely you can see the difference, flies have only one pair of wings while bees have 2 pairs of wings.


This medicinal plant is an excellent ally in the garden because its flowers delight pollinators and attract predators. You can plant them around the potatoes or near them. Surely you think that no matter how much chamomile you plant it won’t come out because you’ve tried it before, the trick is to sow when the rain is coming because it always happens to me that the seeds only germinate when it is raining.


It is an excellent companion for many crops and when full of flowers is an excellent attractant for pollinators. There are certain varieties of basil that last all year round because they are garden species, they cannot be eaten (toxic in large quantities) but to make a hedge they are large and beautiful. Edible basil leaves are tall and wide, and inedible basil leaves are smaller and thinner.


Potato beetles hate marigolds, so planting them between rows or between plants will help, and the marigold root or mat repels nematodes.

Disadvised plants

There are certain plants which, instead of benefiting the potatoes, harm them and these are the following:

  • Onion: They cause a delay in the growth of the potato.
  • Fennel: It hinders the development of potato tubers.
  • Cucumber: They will compete with potatoes for nutrients and are susceptible to blight, a fungus which they will then pass onto potatoes.
  • Raspberries: They are likely to attract more pests.
  • Pumpkins or zucchini: Both plants need a lot of nutrients and if we plant them close together neither will grow.
  • Sunflowers: They should be kept away from potatoes as they release compounds into the soil preventing the potatoes from growing or deforming.

How to plant potatoes

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potatoes associated with crops

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