31 Potato companion plants and 8 Plants to Avoid

potato companion plants

Best For potatoes: What are good potato companion plants?

Companion plants are those that are planted near other plants in order to provide some benefit to them. For potatoes, some of the best companion plants are those that help to deter pests, improve soil nutrients or increase the potato harvest. Additionally, companion plants can help to create a better growing environment by providing shade, ground cover, or breaking up the soil.

Best Vegetable companions plants for potatoes

Horseradish

It is often used as a condiment and has a spicy flavor. Horseradish is also grown for its medicinal properties. It is thought to be a good herb for repelling pests, such as potato bugs, beetles, aphids, whiteflies, and some caterpillars. There is little scientific evidence to support this claim, but there is anecdotal evidence from gardeners and growers who swear by its efficacy. Some research does suggest that organic material from horseradish plants can have pest-controlling properties.

Garlic

Garlic is a plant that has been used for centuries for its medicinal and culinary properties. It is also known to have repellent qualities against certain pests. This makes it a popular choice for companion planting in gardens, as well as for use in organic farming. There are many different ways to use garlic as a pest repellent, including planting it around the potato bed, using it as a spray, or intercropping it with other plants. Garlic has also been found to be an effective way to control late blight in potatoes.

Onions

Onions are a great companion for potatoes. Not only do they help to reduce insect damage on your potato plants, but their strong scent also keeps many pests away from your potato plants. Onions have a high sulphur content which gives them anti-fungal properties that keep diseases away from your potatoes.

Peas

Peas are nitrogen-fixing legumes. This means that they have the ability to convert atmospheric nitrogen into a form that can be used by plants, which is why they are often grown in rotation with other crops. Studies have shown that when peas and potatoes are grown together, the yield of both crops can be increased. In addition, in warm climates, during hot summer weather, pea crops planted to provide shade to potatoes may also have a benefit. Peas reduce the incidence of Colorado potato beetles.

Beans

Beans are a versatile crop that could provide similar benefits to potatoes as peas. They are a good shade provider for plants and can fix nitrogen in the soil. Additionally, studies have shown that planting both beans and potatoes can increase yield over an area of land. Companion plants will replace nitrogen lost by sweet potatoes, making this an ideal pairing.

Corn

Corn and potatoes can share garden space without stepping on each other’s toes. Corn is planted on the sunny southern side, while potatoes are planted on the cool northern side to provide shade for them both. This will help reduce water evaporation from the soil. Additionally, potatoes grow down, and corn grows up – which means they won’t compete for sunlight or nutrients in the soil.

Lettuce

Lettuce is a fast-growing plant that can be easily sown between potato plants. It does not take up much space and can help to increase the yield of potatoes without affecting their production. Potatoes are an important crop for many reasons, including their use in producing other vegetables. However, deep-rooted plants have a big impact on the produce grown in an area, so it is important to consider all aspects when planning a garden or farm.

Spinach

Leafy greens like spinach and lettuce are a great way to help improve the soil around young potato plants. They help to create a good ground cover which reduces moisture loss, helping the potatoes to grow better. Additionally, these leafy greens can provide some protection from pests and diseases.

Radishes

Radishes are a great space-filling crop to grow. They have shallow roots and grow fast, but they require space to grow in. Plant radishes near potatoes or leafy greens to repel flea beetles. Companion plants: Radishes attract flea beetles away from potato plant leaves.

Best Herb companion plants for potatoes

Thyme

Thyme is a great companion plant for potatoes because it attracts hoverflies. Hoverflies are beneficial predatory insects that feed on aphids, which are a common pest of potatoes. Thyme also likes drier conditions than potatoes, so it can be planted in elevated beds on the southern side of the potato mound to optimize sun exposure. Additionally, thyme is thought to repel flea beetles, making it a good companion plant for potatoes.

Yarrow

Yarrow is a perennial plant that grows in many different climates. It can be used as a companion plant for potatoes and benefits from the nutrients in the soil. If the soil is compacted, it will not be good for yarrow plants.

Yarrow is a plant that helps to attract beneficial insects to the potato patch. This can help to keep pests away and protect the potato crop. Yarrow also has other benefits, such as being a medicinal herb.

Chamomile

Chamomile is a versatile and helpful herb that can be grown in the garden alongside other companion herbs. It not only helps to increase their oil production but also attracts a range of beneficial insects, including hoverflies and predatory wasps. This helps to keep pests away and welcome these helpful insects into your garden.

Basil

Basil is a flavorful herb that can do well when grown alongside potatoes. It can thrive in the moist environment beneath your potato plants and will help to repel certain pests, such as thrips, flies, and hornworms. Basil is also known to deter common pests like thrips, flies, and hornworms.

Parsley

It is also known to have some beneficial properties, such as aiding indigestion. However, parsley is also an important trap crop. Trap crops are plants that are used to lure pests away from other plants. Potato plants are a common target of certain insects, and by planting parsley nearby, the potato plants become less of a target. This helps to protect the crops and keep them healthy.

Sage

Sage is a herbaceous plant that has been traditionally used to help vegetables, such as tomatoes and potatoes. It is said to attract honeybees, which can then help with pollination. Additionally, sage has been known to help keep flea beetles away from potatoes. Companion plants for potatoes could be sage since it can offer some protection against the damage caused by flea beetles–namely, round holes that then turn dry and brown.

Catmint

Catmint, also known as Nepeta cataria, is a plant that has been used for centuries for its medicinal properties. Recently, it has been discovered that catmint also has deterrent properties for certain pests. One such pest is the potato beetle, which can be deterred by the presence of catmint.

Tansy

Tansy is another herb that can attract beneficial insects to your garden. It has bitter-tasting leaves, making it a good choice for attracting pests. Tansy also helps with digestive problems and can be used as a companion plant for potatoes.

Cilantro

Cilantro is a herb that can be added to food for flavor or used in medicinal remedies. It is also known as coriander. Cilantro is a great crop to plant because it helps repel potato beetles and other pests. Additionally, if you allow the cilantro to flower, it will attract bees which are necessary for pollination.

Lovage

Lovage is a perennial herb that can be found growing in many parts of the world. It has been used as a companion plant for centuries and has many benefits for plants and animals. The seeds can be used as a spice, the leaves can be used as an herb, and the roots can be used as a vegetable. Lovage is also an attractive flower that attracts certain wasps and beetles.

Best Flower companion plants for potatoes

Marigolds

Marigolds are an important companion plant in the garden. They have many benefits, including deterring pests, attracting beneficial insects and pollinators, and preventing root-knot nematodes. They are a must-have companion plant in potato beds every year.

Calendula

Calendula, also known as pot marigold, is a great choice for potato polycultures. It is mostly a wildlife-attracting plant and should not be confused with the above.

Nasturtiums

Nasturtiums are a type of flower that is often used as a companion plant in gardens. They are especially beneficial to cucurbits, such as cucumbers and squash, but can also be used as a companion for potatoes. Additionally, nasturtiums can be planted as a trap crop to lure away pests from other plants.

Borage

Borage is a herbaceous annual plant that can be found in temperate climates. It has hairy leaves and blue flowers. Borage is beneficial in an annual vegetable plot as it helps to maintain fertility and retain moisture. Additionally, borage attracts a variety of insects when in flower which can be helpful in pest control. Compost, mulch, and feed borage regularly for the best results.

Petunias

Petunias are a type of flower that is known for their sweet smell and pungent taste. They have been found to be effective in repelling pests such as leafhoppers, aphids, and beetles.

Alyssum

Alyssum is a flowering plant that helps to retain soil moisture and stop weeds from growing. It is a great companion plant for potatoes, as they both have similar needs in terms of soil and moisture. Alyssum also has a beautiful flower that can add color to your garden.

Clover

Clover is a nitrogen-fixing plant that helps potatoes by providing good ground cover. Clover also has high levels of proteins and vitamins, making it a valuable addition to any garden or farm. The scientific name for clover is Trifolium, and it can be found in many parts of the world.

Vetch

Vetch is a nitrogen-fixing plant that can be intercropped with potatoes or used to create a good ground cover. It helps reduce soil moisture loss by reducing the incidence of weeds in your garden.

Dead Nettle

Some weeds are good for the garden and it is important to remember this. Dead nettle, for example, can improve the taste of potato plants. It also keeps many pests away and makes a great companion plant for potatoes.

Flax

Flax is a plant that is known to deter potato bugs. This means that if you plant flax near your potato plants, the potato bugs will be less likely to eat your potatoes. In addition, flax can also improve the growth and flavor of potatoes. It comes in various colors, so you can choose the one that best suits your garden.

What not to plant next to potatoes?

Brassicas

Brassicas and potatoes are two different types of vegetables that have different needs. Brassica family (broccoli, cauliflower, cabbage, etc.) need more alkaline soil while potatoes thrive in slightly acidic soil. This is due to the fact that brassicas are more susceptible to pests and diseases when grown together with potatoes.

Tomatoes

Tomatoes, eggplants, and peppers are all nightshade family members. This means that they should not be grown alongside potatoes because they will compete for water and nutrients. In addition, these plants share similar pests and diseases like late blight.

Cucumbers

Cucumbers and potatoes are two different types of vegetables that are often grown together in home gardens. However, cucumbers do not make good companion plants for potatoes. Potatoes are susceptible to blight, and the presence of cucumbers increases this susceptibility.

Raspberries

Potatoes and raspberries share a lot of the same pests and diseases, which can make growing raspberries in close proximity to potatoes difficult. Raspberries are more susceptible to blight and other potato diseases, so it is important to take precautions when planting these two crops together.

Carrots

There are a few key differences between carrots and potatoes that people should be aware of. Carrots are better suited for drier conditions than potatoes and require far different environmental conditions. The problem is that harvesting potatoes can damage and disrupt the carrot crop nearby.

Asparagus

Asparagus and potatoes are two vegetables that are often grown together. However, asparagus may stunt the growth and development of potatoes. This is because the roots of potatoes are damaged by the earth movement required in asparagus growing and harvest.

Sunflowers

Sunflowers are an allelopathic plant, which means they excrete chemicals that can inhibit seed germination and stunt the growth of certain other crops. When grown near potatoes, for example, they can stunt their growth and cause smaller misshapen potatoes.

Fennel

Fennel is an allelopathic plant, which means that it secretes chemicals that inhibit the growth of other plants. This makes it a less-than-ideal companion for many crops. In fact, fennel can stunt the growth of potato plants significantly, reducing their yield.

can you plant lavender near potatoes?

Lavender is a plant that needs a lot of sunlight and can’t survive in the shade. However, it can be planted near potatoes, as lavender’s foliage will provide some protection from the sun, and lavender leaves can be used as a mulch.

can you plant onions next to potatoes?

No, you cannot plant onions next to potatoes. Planting onions in close proximity to potatoes may cause the potato plants to be attacked by the onion’s root system and ultimately die

can I plant zucchini next to potatoes?

Yes, you can plant your zucchini next to the potatoes.

It is safe to plant different varieties of potatoes together?

Yes, you can plant different varieties of potatoes together. However, be sure to plant them in separate rows or they could cross-pollinate and produce the same variety again.

What can be intercropped with potatoes?

Potatoes are the most common variety of plants that can be intercropped. Common crops that can be planted in between potatoes are corn, radishes, eggplant, and spinach. These crops allow for a higher yield than potatoes and can be harvested at different times of the year.

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