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Kale and Peas Companion Planting: A Guide to Successful Gardening


kale and peas companion planting
Table of Contents

Companion planting is a gardening technique that involves planting different crops together to maximize their growth and yield. Kale and peas are two popular vegetables that can be grown together in a garden. Kale is a leafy green vegetable while peas are legumes that produce edible pods. In this article, we will explore the benefits of kale and peas companion planting and how to do it successfully.

The Benefits of Kale and Peas Companion Planting

Kale and peas are good companions for several reasons:

Nitrogen Fixation

Peas are legumes that have the ability to fix nitrogen from the air and convert it into a form that can be used by plants. This makes them great companion plants for kale, which requires a lot of nitrogen to grow. The nitrogen-fixing ability of peas means that they can provide the nitrogen that kale needs to thrive.

Suppression of Pests and Diseases

By growing kale and peas together, you can create a natural pest control system. Peas release a chemical called saponin, which repels pests such as aphids and spider mites. These pests are known to attack kale, so having peas nearby can help keep them at bay. Additionally, kale contains compounds that can deter root maggots, which are a common pest of peas.

Maximizing Space

Growing kale and peas together can help you make the most of your garden space. Peas are climbers that can grow up trellises or poles, while kale is a shorter plant that grows close to the ground. By planting them together, you can use the vertical space provided by the peas to grow more plants in a smaller area.

How to Plant Kale and Peas Together

Planting kale and peas together is relatively easy. Here are some tips to help you get ed:

Choose the Right Varieties

When choosing kale and pea varieties to plant together, make sure they have similar growing requirements. For example, both plants prefer full sun and well-drained soil. Some good options for kale include Lacinato and Red Russian, while Sugar Snap and Oregon Giant are popular varieties of peas.

Prepare the Soil

Before planting, prepare the soil by adding compost or other organic matter to improve its fertility. Make sure the soil is loose and well-drained to prevent waterlogging.

Plant the Seeds

Plant the seeds according to the instructions on the packet. You can either plant them in rows or in a square-foot garden layout. If you're planting in rows, leave enough space between the rows to allow for the pea plants to climb.

Provide Support for the Pea Plants

Peas need support to grow vertically. You can provide this by installing a trellis or using poles to create a teepee-like structure. As the pea plants grow, gently guide them up the support.

Care and Maintenance

To ensure your kale and peas thrive, there are several things you can do:

Water Regularly

Kale and peas need regular watering to grow healthy and strong. Water them deeply once or twice a week, depending on the weather conditions.

Fertilize as Needed

Although peas provide nitrogen to the soil, you may still need to fertilize your garden periodically. Use an organic fertilizer such as fish emuon or compost tea.

Harvest Regularly

Harvest your kale and peas regularly to encourage more growth. Pick the pea pods when they are young and tender, and harvest kale leaves when they reach a size of about 6-8 inches.

Frequently Asked Questions (FAQs)

Q: Can I plant other vegetables with kale and peas?

A: Yes, there are several other vegetables that make good companions for kale and peas, including carrots, beets, and radishes.

Q: How do I know when it's time to harvest my kale and peas?

A: Pea pods should be picked when they are young and tender, while kale leaves can be harvested when they reach a size of about 6-8 inches.

Q: Do I need to prune my kale and pea plants?

A: No, pruning is not necessary for either kale or pea plants.

Q: Can I grow kale and peas in containers?

A: Yes, you can grow kale and peas in containers as long as they are large enough to accommodate the plants and provide adequate drainage.

Q: What pests and diseases should I watch out for when growing kale and peas?

A: Some common pests that can attack kale include aphids and root maggots, while pea plants can be affected by powdery mildew and bacterial blight.


Kale and peas companion planting is an excellent way to maximize your garden space and improve the health and yield of your crops. By following these tips and providing your plants with the care and attention they need, you can enjoy a bountiful harvest of delicious and nutritious vegetables.


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