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Companion Plants for Spaghetti Squash

companion plants for spaghetti squash

If you're looking to grow spaghetti squash in your garden, it's important to consider the benefits of companion planting. Companion plants are those that have a positive effect on the growth and health of your main crop, in this case, spaghetti squash. In this article, we'll explore some of the best companion plants for spaghetti squash.

Why Companion Planting?

Companion planting is an age-old technique used by gardeners to improve the health and yield of their crops. By planting certain plants near each other, they can provide mutual benefits such as repelling pests, adding nutrients to the soil, and attracting beneficial insects.

Best Companion Plants for Spaghetti Squash

Bush Beans

Bush beans are one of the best companion plants for spaghetti squash. They are nitrogen-fixing plants, which means they take nitrogen from the air and convert it into a form that plants can use. This process helps to improve soil fertility and promotes healthy growth in your spaghetti squash. Additionally, bush beans can help to deter pests like beetles and aphids.

Marigolds

Marigolds are another great companion plant for spaghetti squash. They have a strong scent that can help to repel pests like nematodes and whiteflies. Additionally, marigolds attract beneficial insects like bees and ladybugs, which can help to pollinate your spaghetti squash and control pest populations.

Nasturtiums

Nasturtiums are a beautiful and edible companion plant for spaghetti squash. They have bright orange or yellow flowers that add color to your garden, and their leaves are edible and can be used in salads. Nasturtiums also repel pests like aphids and squash bugs, making them a great addition to your garden.

Radishes

Radishes are a fast-growing vegetable that can be planted alongside spaghetti squash. They help to break up compacted soil and improve soil drainage, which can promote healthy growth in your spaghetti squash. Additionally, radishes can help to deter pests like cucumber beetles and squash bugs.

Borage

Borage is an herb that is known for its beautiful blue flowers. It attracts beneficial insects like bees and butterflies, which can help to pollinate your spaghetti squash. Borage also improves soil fertility and can help to repel pests like tomato hornworms and cabbage worms.

Other Companion Plants for Spaghetti Squash

Corn

Corn is a great companion plant for spaghetti squash. It provides shade for the squash, which can help to keep the soil cool and moist. Additionally, corn is a heavy feeder, meaning it requires a lot of nitrogen to grow. This can benefit your spaghetti squash, as it will take up excess nitrogen from the soil and use it to grow.

Peas

Peas are another nitrogen-fixing plant that can be grown alongside spaghetti squash. They provide a natural source of nitrogen to the soil, which can help to promote healthy growth in your squash. Additionally, peas can help to attract beneficial insects like bees and butterflies.

Mint

Mint is an herb that can help to repel pests like ants and fleas. It can be grown alongside spaghetti squash to help deter these pests from your garden.

Lettuce

Lettuce is a great companion plant for spaghetti squash because it has shallow roots that won't compete with the squash for nutrients. Additionally, lettuce can help to shade the soil and keep it moist, which can benefit your spaghetti squash.

Garlic

Garlic is a natural pest repellent that can be grown alongside spaghetti squash. Its strong aroma can help to deter pests like aphids and spider mites from your garden.

Companion Planting Tips

Plant tall plants on the north side of your garden

Tall plants like corn and sunflowers should be planted on the north side of your garden. This will prevent them from shading your other plants and depriving them of sunlight.

Rotate your crops

It's important to rotate your crops each year to prevent soil-borne diseases and pests from building up in your garden. Try not to plant the same crop in the same spot for at least three years.

Plant herbs throughout your garden

Herbs like basil, thyme, and oregano can be planted throughout your garden to repel pests and attract beneficial insects.

Use mulch to conserve moisture

Mulch can help to conserve moisture in your garden and prevent weeds from growing. It can also help to regulate soil temperature, which can benefit your spaghetti squash.


Companion planting can be a great way to improve the health and yield of your spaghetti squash. By planting the right companion plants, you can promote healthy growth, deter pests, and attract beneficial insects to your garden.

FAQs

1. Can I plant tomatoes with spaghetti squash?

Tomatoes are not the best companion plant for spaghetti squash, as they both require a lot of nutrients and water. Additionally, they are both susceptible to the same pests and diseases, which can make it difficult to control outbreaks.

2. Can I plant cucumbers with spaghetti squash?

Cucumbers are not the best companion plant for spaghetti squash, as they both attract cucumber beetles and squash bugs. This can increase pest populations in your garden and make it difficult to control outbreaks.

3. Do I need to plant all of these companion plants with my spaghetti squash?

No, you don't need to plant all of these companion plants with your spaghetti squash. Choose the ones that work best for your garden and climate, and experiment to see which combinations work best.

4. How far apart should I plant my companion plants from my spaghetti squash?

The distance between your companion plants and your spaghetti squash will depend on the specific plant and its growth habits. Generally, aim to plant them at least 6 inches away from each other to prevent competition for nutrients and water.

5. Are there any plants that should not be planted with spaghetti squash?

Yes, there are some plants that should be avoided when planting spaghetti squash. These include potatoes, fennel, and members of the brassica family like broccoli and cabbage, as they are susceptible to the same pests and diseases as spaghetti squash.
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