Never plant these vegetables together, otherwise there will be huge losses. These Vegetables Should Not Planted And Grow Together
Rahul Kumar June 23, 2026 09:22 PM

Which vegetables should not be planted together?: If you want to get a good and healthy crop from your kitchen garden or backyard, then do not just focus on fertilizer and water, but also learn to choose the right pair of plants.

While growing vegetables in the kitchen garden or backyard, most people pay attention to soil, fertilizer and water, but they ignore one important thing, which vegetables should be planted next to each other and which should not. In the world of gardening it is called Companion Planting and Bad Companion Planting. Some plants enhance each other's growth, while others compete for nutrients, water and space. Planting such plants together can weaken the crop, increase pest attacks and reduce production. Let us know which vegetables should never be planted together.

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Avoid planting tomatoes and potatoes together

Tomatoes and potatoes come from the same plant family (nightshade family). This is the reason why the diseases and pests affecting both are almost similar. If these two are planted together, the disease in one plant can spread rapidly to the other plant. Especially problems like fungal infection and blight can harm the entire garden. Apart from this, both plants take a lot of nutrients from the soil, which can affect their growth.

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Cucumber and potatoes are not good neighbors

Planting cucumbers and potatoes together can slow down the growth of cucumber vines. Potatoes draw excess nutrients from the soil, due to which cucumber plants do not get enough nutrients. Apart from this, some diseases present around potatoes can also reach cucumber plants. Therefore, it is considered better to keep sufficient distance between these two.

Onions and beans do not match

Allium family plants such as onions, garlic and green onions can affect the growth of beans and peas. Some natural compounds from these plants can reduce the activity of beneficial bacteria present in the roots of beans. As a result, bean plants become weak and their yield may decrease.

Keep cabbage and tomatoes separate

Plants like cabbage, cauliflower and broccoli take large amounts of nutrients from the soil. If these are planted with tomatoes, competition for nutrition increases between the two plants. Due to this, tomato plants may produce less fruits and their growth may also be affected.

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Carrot and fennel combo will cause harm

Fennel is a plant that can affect the growth of many other vegetables. Applying it along with carrots may weaken the growth of carrot roots. Gardening experts often recommend that fennel be planted in a separate place from other vegetables.

Planting maize and tomato together will increase the risk of pests

Both corn and tomatoes are attacked by some of the same types of pests. If these are planted close together, the possibility of the spread of pests increases significantly. Once infection begins, both crops may be affected and production may decline significantly.

Planting brinjal and potato together can cause disease

Brinjal and potato also belong to the same plant family. Applying these two together increases the risk of pathogens in the soil. Fungal diseases and pests in particular can spread rapidly from one plant to another. Therefore, growing them at different places is considered safer.

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