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What should not be planted next to zucchini?

Author

Sarah Smith

Published Jan 10, 2026

These plants include: Potato: Potatoes, like zucchini, are heavy feeders, meaning they monopolize the absorption of nutrients in soil. Avoid planting these next to zucchini as they'll impact the growth of your squash.

What is good to plant next to zucchini?

Radishes – Often considered the workhorse of the garden, radishes are small plants that are easily planted amid zucchini plants. These companion plants for summer squash and zucchini help repel common zucchini pests such as aphids, squash bugs, cucumber beetles, and others.

Can I plant zucchini and tomatoes together?

A: Yes you can! Zucchini is one of the best tomato companion plants. Not only do they thrive in the same growing conditions but the giant leaves of the squash plants provide a ground cover. Additionally, zucchini attracts beneficial insects such as bees to help pollinate tomatoes in your garden.

Can zucchini and cucumbers be planted together?

As with other squash plants, it is not advisable to plant zucchini and cucumbers together. Cucumbers are members of the Cucurbitaceae family, just like zucchini and so they will compete for space and nutrients. Also, growing several similar plants in the same area can make it easier for pests to find the plants.

What can you not plant next to squash?

Squash – Companions: corn, lettuce, melons, peas, and radish. Avoid planting near Brassicas or potatoes. Borage is said to improve the growth and flavour of squash. Marigolds and nasturtium repel numerous squash pest insects.

32 related questions found

Can you plant squash next to zucchini?

You can plant different varieties together, but you won't want to save seeds from the crops produce since they can cross-pollinate and affect later crops. We love growing both yellow summer squash and zucchini together. As your plants grow, make sure the soil is moist but not continually saturated.

Why should you not plant cucumbers near tomatoes?

Cucumbers' and Tomatoes' Shared Diseases

When growing these two crops together, you must consider the potential for disease. While cucumber mosaic virus does affect both tomatoes and cucumbers, the disease is not limited to these two crops — it affects more than 40 families of plants.

Does zucchini need to climb?

ANSWER: In short, the answer is no. Zucchini doesn't need to climb to grow properly. It's an easy crop to produce in a home garden. The plant grows well in containers or in traditional garden plots.

Can you use a trellis for zucchini?

Growing the zucchini vertically conserves space and also keeps the plants healthy by encouraging circulation and sun exposure. Climbing zucchini is less susceptible to diseases and issues like mildew or rotting. Vine vegetables like zucchini take to a trellis easily with only a little work on your part.

Can you plant zucchini in a raised bed?

Zucchini grows well in a raised bed. It is good news for vegetable lovers because due to limited space people are not interested in growing vegetables in their garden. They just plant flowers so they will be satisfied with their sense of gardening.

What is the spacing for zucchini?

When the soil has warmed up in your planting beds, plant seeds one-half inch deep, 3 to 4 inches apart, in rows that are 2 to 3 feet apart. Thin plants so that they are spaced 6 to 8 inches apart once they are 4 to 5 inches tall.

What to plant with tomatoes to keep bugs away?

More Herbs & Flowers to Plant with Tomatoes to Keep Bugs Away: Don't just stop at planting Marigolds with your tomatoes. For further protection from pest bugs, you can also plant basil, beans, bee balm, borage, sweet alyssum, chives, garlic, nasturtium, mint, anise, onion, and parsley.

Can two zucchini plants grow together?

Plant in 'Hills'

Whether you choose to buy seedlings or plant zucchini seeds directly in your garden, you should group two to three plants close together for best pollination. Plus, hilling allows you to dig compost in to the soil.

Can you use tomato cages for zucchini?

Like cucumbers, squash and zucchini can become heavy and add stress to the vine they grow on. Plant your squash and zucchini at the base of a tomato cage so they have support as they continue to grow in size and weight.

Do courgettes climb?

There are several types of courgette, plants can be compact and bushy, trailing or climbing, and fruits can be green, striped or yellow.

How do you keep zucchini off the ground?

To prevent this, use mulch as I mentioned above. You can also try to keep the zucchinis off the ground by the use of a cage or trellis.

Can you grow zucchini in pots?

Zucchini plants have a large root system, so they need a big container. For a vining plant, select a pot that is at least 36 inches deep. They also have long tap roots that can grow up to three feet long. The rest of the roots branch out from this central root structure.

How tall does a zucchini trellis need to be?

If you would like to grow zucchini vertically, your trellis must be at least 12 feet tall. Zucchini can also be grown horizontally on the ground by using a gardening row cover or hoop houses.

Can you grow cucumbers and peppers together?

If you're looking for crops to add to your greenhouse ideas, then cucumbers and peppers are an ideal combination. They both enjoy similar growing conditions so will happily grow in the same space. Cucumbers can be planted between your pepper plants and then trained upwards to make the most of the available space.

Are marigolds good for tomato plants?

A pretty marigold. Marigolds—a flowering plant in the daisy family—are common companions for tomatoes. In the long lore of gardeners, the marigold is thought to do something to help tomatoes avoid pests.

Can you plant tomatoes and peppers together?

Yes, you can grow tomatoes and peppers together – although it's important to bear in mind that growing plant members of the Nightshade or Solacaceae families together can increase the risk that disease will spread amongst them, especially if they are grown in the same bed after each other.

Can different varieties of squash be planted together?

Zucchini, Yellow Crookneck, Acorn, Spaghetti, Patty Pan, Delicata, Pumpkins and Gourds (except edible snake gourds) all may cross with each other. Butternut, Buttercup, Banana, Hubbard and Turban squashes may cross with each other.

What to plant with cucumbers to keep bugs away?

Grow radish, nasturtium, and tansy to repel cucumber beetles. Nasturtium can also be grown as a trap crop for squash bugs. Companion plant with buckwheat or cowpeas to attract predators of cucumber beetles such as tachinid and syrphid flies, parasitic wasps, and Pennsylvania leatherwing.

Do marigolds keep bugs away from vegetable garden?

The marigold is one of the most well-known insect-repelling plants and with good reason — they have a scent that will keep pests like mosquitoes, nematodes like cabbage worms, and other pests away. Plant marigolds to attract beneficial insects that attack and kill aphids.