What To Grow With Squash: Companion Plants For A Successful Garden

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Squash is a versatile and delicious vegetable that can be grown in many different varieties, including zucchini, yellow crookneck, and butternut squash. While squash plants are known for their large leaves and sprawling vines, they can benefit from the presence of certain companion plants in the garden. Companion planting is a gardening technique that involves planting different plants together to enhance growth, deter pests, and improve overall yield. In this article, we will explore some of the best companion plants to grow with squash for a successful and productive garden.

Benefits of Companion Planting with Squash

Companion planting with squash offers several benefits that can help improve the health and productivity of your garden:

  • Improved pollination: Some companion plants, such as marigolds and borage, attract pollinators like bees and butterflies. These insects are essential for pollinating squash flowers, which ultimately leads to fruit production.
  • Pest control: Certain companion plants can help deter pests that commonly affect squash, such as squash bugs and cucumber beetles. For example, planting radishes or nasturtiums near your squash can help repel these pests.
  • Weed suppression: Squash plants have large leaves that can shade the soil and help suppress weed growth. However, planting companion plants with dense foliage, such as bush beans or lettuce, can further prevent weeds from taking hold in your garden.
  • Soil improvement: Some companion plants, like legumes (e.g. peas and beans), have the ability to fix nitrogen in the soil. This can benefit squash plants, which require adequate nitrogen for healthy growth and fruit development.
  • Space optimization: By planting companion plants alongside your squash, you can make efficient use of garden space. For example, you can grow lettuce or spinach in the shady areas beneath the squash plants.

Companion Plants for Squash

Now that we understand the benefits of companion planting with squash, let’s explore some specific plants that are known to be good companions:

1. Marigolds

Marigolds are a popular companion plant for squash because they can attract beneficial insects like bees and hoverflies. These insects help pollinate the squash flowers, leading to better fruit set. Additionally, marigolds have a strong scent that can deter certain pests, such as aphids and nematodes.

2. Nasturtiums

Nasturtiums are another excellent companion plant for squash. Their bright flowers attract pollinators, while their strong scent repels pests like squash bugs and whiteflies. Nasturtiums also act as a trap crop, attracting aphids away from your squash plants.

3. Radishes

Radishes are known for their ability to repel pests, including cucumber beetles and squash bugs. Planting radishes near your squash can create a barrier that deters these pests from reaching your plants. Additionally, radishes have shallow roots that help break up compacted soil, improving drainage and aeration for squash plants.

4. Beans

Beans, such as bush beans or pole beans, are beneficial companion plants for squash. They are nitrogen-fixing plants, which means they have the ability to convert atmospheric nitrogen into a form that can be used by plants. This can help provide the nitrogen that squash plants need for healthy growth and fruit production.

5. Lettuce and Spinach

Leafy greens like lettuce and spinach can be grown as companion plants alongside squash. These plants have shallow root systems that won’t compete with the deep roots of squash. They can tolerate shade and will grow well in the shadow of squash leaves. Growing lettuce or spinach beneath squash plants can help maximize space in your garden and provide an additional harvest.


Companion planting with squash can greatly benefit your garden by improving pollination, deterring pests, suppressing weeds, and enhancing soil fertility. By choosing the right companion plants, such as marigolds, nasturtiums, radishes, beans, lettuce, and spinach, you can create a harmonious and productive garden ecosystem. Experiment with different combinations of companion plants to find what works best for your specific growing conditions and enjoy a bountiful harvest of squash and other vegetables.

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