What 3 vegetables grow well together?

One of the most popular companion plantings is “The Three Sisters Garden,” which includes corn, beans and squash . Taller plants, such as corn, can provide a natural support trellis and shelter for beans, peas and other climbing crops.

What should you not plant next to cucumbers?

Here are a few plants that do not grow well with cucumbers: Pumpkin (Cucurbita) Squash (Cucurbita) Courgette (Cucurbita pepo) Potato (Solanum tuberosum) Broccoli (Brassica oleracea var. italica) Cabbage (Brassica oleracea var. capitata) Kale (Brassica oleracea) Sage (Salvia officinalis) More items...

What is the easiest thing to grow in a raised bed?

Tomatoes, artichokes, okra, and sweet potatoes also have deep roots. Root vegetables—radishes, carrots, turnips, onions, shallots, garlic—grow best in loose, partially sandy soil, which makes them ideal candidates for raised beds, where the soil is usually much less compacted in the absence of foot traffic.

What not to fill a raised garden bed with?

Raised beds that are small and shallow (under 12 inches deep) are typically only filled with soil. Adding other organic materials to shallow beds usually isn't a good idea. Sticks, twigs, and other materials further reduce the limited soil space and can interfere with plant root growth and water drainage.

Do peppers like to be planted with tomatoes?

Best Companion Plants for Peppers. Tomatoes: Peppers and tomatoes are both members of the nightshade family, and they complement each other well . Basil: Basil is a fragrant herb that can repel pests such as aphids, flies, and spider mites.

Can cucumbers and peppers be planted together?

Peppers and chili go well next to cucumbers, especially in a greenhouse you can plant these crops together . To prevent mildew, garlic, onions, chives, marigolds and various herbs such as basil can help.

What not to plant next to zucchini?

Potatoes can also spread diseases such as late blight, which can also affect zucchinis. Cucumbers and pumpkins should not be planted next to zucchinis as they belong to the same family (Cucurbitaceae) and therefore attract similar pests and diseases.

What vegetables should you not put together?

14 Vegetables You Should Never Plant Together—Gardening Experts Explain Why 01 of 14. Beans and Onions. ... 02 of 14. Tomatoes and Potatoes. ... 03 of 14. Corn and Tomatoes. ... 04 of 14. Tomatoes and Brassicas. ... 05 of 14. Cucumber and Squash. ... 06 of 14. Lettuce and Celery. ... 07 of 14. Fennel and Tomatoes. ... 08 of 14. Peppers and Cabbage. More items... Jan 16, 2024

What vegetables can sit next to each other?

“The easiest rule to follow is to just store like produce together,” Grant-Vose says. “Berries can be stored together, brassica vegetables can be stored together, leafy greens can be together, and most root vegetables (except potatoes) can go together .”

Can peppers and tomatoes be planted together?

The fact of the matter is that YES the plants are related and YES they share some common diseases but most people do not have the space in their garden to separate them. The reality is that because the two have similar growth requirements, they can in fact be grown quite successfully together .

Can I plant cucumbers and tomatoes together?

Planting cucumbers and tomatoes right next to each other is often not recommended . These two plants often have similar requirements for nutrients, water and light, which can lead to competition. Both plants are heavy feeders and require a lot of nitrogen for healthy growth.

14 Vegetables You Should Never Plant Together (2024)

Companion planting is an effective way to repel pests, attract beneficial pollinators, and stimulate healthy growth. But pairing certain vegetables together can also have adverse effects on the plants growing in your garden. Planting incompatible vegetables together can stunt growth, welcome pests and diseases, and negatively impact flavor. To keep your plants happy and healthy, experts say to never grow the following vegetables together.

Linda Langelo, horticulture specialist atColorado State University
Carrie Spoonemore, co-creator of Park Seed's From Seed to Spoon app.

Use Our Companion Planting Chart to Grow a Thriving Vegetable Garden

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Beans and Onions

14 Vegetables You Should Never Plant Together (1)

Onions and beans should never be grown together due to the allelopathic properties of onions. "Onions emit allicin, an antibacterial gas, which kills the beneficial urease bacteria," says Linda Langelo, horticulture specialist atColorado State University. The urease is what beans need to fix nitrogen. Planting these two vegetables together can inhibit the growth of beans in their early stages, and produce smaller, weaker crops.

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Tomatoes and Potatoes

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Tomatoes and potatoes are susceptible to similar pests and diseases, says Carrie Spoonemore, co-creator of Park Seed's From Seed to Spoon app. "Growing these plants in close proximity increases the risk of these issues spreading," she says.

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Corn and Tomatoes

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Corn and tomatoes should not be planted together due to their different growth habits. "Both of these plants are heavy feeders and require nutrient-rich soil," says Spoonemore. "When planted together, this increases the competition for vital nutrients and may inhibit the growth and development of the plants." Additionally, tomatoes require full sun to grow and tall corn stalks can shade tomato plants.

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Tomatoes and Brassicas

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Never plant tomatoes and brassicas together as they are both heavy feeders and require nutrient-rich soil to thrive. "Planting these together can lead to greater competition for nutrients and leave tomatoes undernourished, hindering their growth," says Spoonemore.

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Cucumber and Squash

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Cucumbers and squash come from the same family and both need nutrient-rich soil in order to thrive. "Planting cucumbers and squash together increases the competition for vital nutrients and will quickly exhaust the nutrients in their soil," says Spoonemore.

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Lettuce and Celery

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Lettuce and celery should never be planted together because celery can attract pests, including aphids and whiteflies, which increases the risk of infestation of the lettuce and damages both crops.

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Fennel and Tomatoes

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Fennel is a poor companion plant for many garden vegetables, but it can especially inhibit the growth of tomatoes. "It’s best to keep fennel away from many of your vegetables," says Spoonemore. "It should be grown in a container so its roots don’t touch surrounding plants."

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Peppers and Cabbage

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Avoid planting peppers and cabbage next to one another, as peppers that are in the nightshade family will have their growth inhibited by the cabbage in the brassica family, says Langelo.

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Potatoes and Zucchini

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If planted together, potatoes will utilize available nutrients and starve out the zucchini. "Two fast growers and heavy feeders do not give good results come harvesting time," says Langelo. "Potato tubers will be small if they are not given regular applications of phosphorus and potassium. They will be malformed and will not last as long in storage. Zucchini will have stunted growth."

How to Grow and Care for Potatoes—Including Martha's Favorite Planting Method

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Carrots and Parsnips

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Carrots and parsnips are both in the Apiaceae family, meaning they share pests and diseases. "Placing vegetables in the same family will always bring about a higher risk of a disease or pests," says Langelo. "In this case, carrot root fly can attack both carrots and parsnips." Additionally, growing several root crops in a garden increases the risk of attracting the same pests to one and spreading that pest to others.

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Asparagus and Onions

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Asparagus and onions do not make good companion plants because they are plagued by some of the same pests and diseases, such as cutworms, which destroy asparagus stalks and eat new onion transplants. Additionally, the allelopathic properties of onions can inhibit the growth of asparagus, says Langelo.

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Pumpkins and Summer Squash

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Pumpkins and summer squash will cross-pollinate if grown together. "This produces very odd-looking fruits that do not taste very palatable," says Langelo. Both of these crops also share insects and diseases, including powdery mildew, squash vine borers, hairy back legs, and squash bugs.

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Fennel and Eggplant

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Fennel releases a substance from its roots that can inhibit the growth of other vegetables, especially eggplant. For best results, plant fennel far away from other vegetables or in a container where its roots are contained.

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Peas and Garlic

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Garlic produces sulfur compounds that can stunt the growth of peas, says Langelo. Peas and garlic also compete for the same nutrients in the soil. In addition to peas, garlic also stunts the growth of asparagus, beans, sage, parsley, and strawberries.