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10 Surprising Benefits of Peas Companion Planting

peas companion

Peas Companion: What is it?

Companion planting is a gardening technique where two or more plants are grown together in close proximity. The idea behind companion planting is that certain plants can benefit from each other's presence by repelling pests, improving soil quality, and increasing yields. In this article, we'll explore the benefits of peas companion planting and why it's a popular choice among gardeners.

The Benefits of Peas Companion Planting

Benefit #1: Pest Control

Peas are susceptible to a variety of pests, including aphids, cutworms, and pea weevils. However, when planted with certain companion plants, these pests can be deterred. For example, planting peas alongside garlic, onions, or chives can help repel aphids and other insects.

How it works:

These plants release compounds that mask the scent of the peas, making them less attractive to pests. Additionally, garlic and onions contain sulfur compounds that repel many types of insects.

Benefit #2: Improved Soil Quality

Peas are nitrogen-fixing plants, which means they have the ability to convert nitrogen from the air into a form that plants can use. This process helps to enrich the soil and improve its fertility. When planted with certain companion plants, peas can also help to improve soil structure and reduce erosion.

How it works:

Plants like clover, alfalfa, and beans are also nitrogen-fixers and can help to replenish the soil with nutrients. Additionally, these plants have deep roots that can help to break up compacted soils and improve drainage.

Benefit #3: Increased Yields

When grown in the right conditions, peas can produce a high yield of nutritious, delicious pods. Companion planting can help to increase pea yields by improving soil quality, repelling pests, and providing support for climbing varieties.

How it works:

Peas that are grown with companion plants tend to have better access to nutrients and water, which can result in larger, healthier plants. Additionally, some companion plants, like beans or corn, can provide natural trellises for climbing pea varieties.

Benefit #4: Improved Taste and Nutritional Value

Peas that are grown with certain companion plants may have a sweeter, more complex flavor profile than those grown alone. Additionally, companion plants can help to increase the nutritional value of peas by providing them with additional vitamins and minerals.

How it works:

Plants like spinach, kale, and broccoli are high in nutrients like calcium, iron, and vitamin C. When planted alongside peas, these plants can help to transfer nutrients to the soil, which are then taken up by the peas.

Benefit #5: Biodiversity

Companion planting is an effective way to promote biodiversity in your garden. By growing a variety of different plants together, you can create a thriving ecosystem that supports beneficial insects, birds, and other wildlife.

How it works:

Different plants attract different types of insects and animals, which can help to keep pest populations in check and improve overall garden health.

Benefit #6: Aesthetic Appeal

Peas and their companion plants can make for a beautiful and visually appealing garden. By pairing different colors and textures, you can create a stunning display that is both functional and pleasing to the eye.

How it works:

Plants like marigolds, nasturtiums, and calendula are known for their vibrant colors and can be planted alongside peas to add visual interest. Additionally, herbs like thyme and sage can provide an attractive ground cover and release a pleasant fragrance when brushed against.

Benefit #7: Reduced Weeds

Companion planting can help to reduce weed growth in your garden by providing a natural barrier that blocks out sunlight and prevents weed seeds from germinating.

How it works:

Plants like clover, alfalfa, and beans have dense foliage that can help to shade out weeds and prevent them from taking root.

Benefit #8: Water Conservation

Peas and their companion plants can also help to conserve water by reducing evaporation and improving soil moisture retention.

How it works:

Plants like clover and beans have deep roots that can reach down into the soil and absorb water more efficiently. Additionally, these plants can help to shade the soil and reduce evaporation.

Benefit #9: Low Maintenance

Companion planting is a low-maintenance gardening technique that can save you time and effort in the long run. By growing different plants together, you can create a self-sustaining ecosystem that requires minimal intervention.

How it works:

Companion plants can help to control pests, improve soil quality, and provide support for climbing varieties, all without the need for chemical fertilizers or pesticides.

Benefit #10: Cost Effective

Finally, companion planting is a cost-effective way to grow vegetables and herbs in your garden. By using natural methods to improve soil quality and control pests, you can save money on expensive fertilizers and pesticides.

How it works:

Companion planting requires minimal investment in terms of time and materials, making it an accessible option for gardeners on a budget.


1. Which plants are good companions for peas?

Some good companion plants for peas include garlic, onions, chives, spinach, kale, broccoli, beans, and corn.

2. Can you grow peas with tomatoes?

While it's possible to grow peas and tomatoes together, they are not ideal companions. Tomatoes require a lot of nutrients and water, which can compete with the peas. Additionally, tomatoes can attract pests that may also harm the peas.

3. Do peas need to be staked?

Pea plants that climb, such as snow peas and sugar snap peas, will need support in order to grow properly. However, some varieties of peas, like dwarf or bush peas, do not require staking.

4. How often should I water my pea plants?

Peas require regular watering, especially during hot, dry weather. Aim to water your pea plants deeply once or twice a week, depending on the weather and soil conditions.

5. How do I know when my peas are ready to harvest?

Pea pods are typically ready to harvest when they are plump, firm, and bright green. You can test the readiness of your peas by gently squeezing the pod to see if it feels full.

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