Plants That Don’t Like To Mix It Up – Incompatible Plants!

9. Lettuce

Although lettuce are leafy greens that resembles a cabbage especially those types that are head forming, they actually belong to the daisy family.

The lettuce will do well with most of the cruciferous family with the exception of cauliflower and kale.

The allium family plants including the garlic and onions are seeming to produce chemicals that hinders their growth. In addition, the lettuce seems to compete with the same nutrients as the members of the Allium family.

10. Peppers

Although pepper belong to the nightshade family, there are rarely affected by the disease and pests that affect the other members of the family including:

  • Eggplant
  • Potatoes
  • Tomatoes

For this reason, pepper tends to have very less issues when growing them except for the fact that they do not do well with fennel and kohlrabi.

Research indicates that fennel tends to be “antagonistic” to almost all plants in the vegetable family although this is not the case with the kohlrabi.

Apart from being affected by the kohlrabi plant, peppers do not show any negative effects when grown with other members of cruciferous family to which kohlrabi belongs.

11. Melons

When you grow melons together with corn, you are likely to have a bumper harvest.

Since the melons spread along the ground, they will suppress the weeds that compete for nutrients with the corn.

In addition, when the melon lay the leaves on the surface it will act as a mulch that helps in retaining the moisture in the soil.

The leaves also act as an insulating layer keeping the roots warm when the temperature drops. The melons do well with almost all members of sunflowers as well as tomatoes.

However, they do not do well with potatoes although it is in the same group with the tomato.

12. Onions

Onions do great when planted together with cabbage family as well as nightshade vegetables. They do exceptionally well when plated together with root crops such as beets and carrots.

However, yields will be affected when you grow them together with some members of legumes family including different types of peas and beans.

The asparagus is another type of vegetable that do not do well with onions. As stated earlier asparagus competes for the same nutrients with the onions.

13. Pumpkins

Pumpkins are large vegetables that have lots of nutrients for our bodies. Since the plant covers the ground with is leaves it acts as a natural mulch insulating the ground.

The leaves keep roots warm when cold, acting as mulch to keep moisture in when the weather is hot.

This is why it does well when planted with corn, peas and radish. The pumpkin will also benefit from the nitrogen fixing delivered by the legumes. However, for some reason, pumpkins do not do well with potatoes.

14. Potatoes

Potatoes do well with a large number of plants but also has a long list of incompatible plants. Potatoes do well when combined with short as well as long growing plants such as cabbage family members, corns, peas and beans.

To repel most of the pests that affect potatoes, the catnip, nasturtium and marigold will do a great job.

However, potatoes do not like the companionship of spinach, cucumber, tomatoes, squash, sunflower as well as pumpkins.

Since both tomatoes and potatoes belong to the same family, they are attacked by similar diseases and pests. We can explain their incompatibility with other vegetables because they tend to compete for the same nutrients.

15. Kohlrabi

Kohlrabi is another great plant that offers us great nutrients to keep our bodies strong and healthy.

Its presence among cucumber, beets and onions is greatly appreciated although this is not the case when it comes to pepper, tomato and pole beans.

16. Squash

Squash are very tasty vegetables loved across the world. The do well in the presence of onions, radishes and beans.

Because the squashes are soft and tasty they tend to attract a lot of pests. For this reason, squash benefits from the companionship of pest repellent herbs such as nasturtium, mint and catnip.

One thing surprising about squash is that they cannot coexist well with pumpkins although they do well with melons. Potatoes are also enemies with squash.

17. Beets

Beets are easy to grow since they are compatible with most vegetables as well as other garden plants. Beets do not take a lot of time to mature and give desired yields provided you allow them a breathing space when you grow together with other plants.

However, you should avoid growing them around mustard and pole beans.

18. Radishes

Radishes is from the brassicaceae family, a popular group of vegetables that are ideal in making salads. This plant is easy to grow and you can increase its yields when you grow it together with:

  • Beans
  • Nasturtium
  • Beets
  • Chervil
  • Carrots
  • Cucumber
  • Melons
  • Lettuce
  • Parsnips
  • Spinach
  • Peas
  • Squash

However it is incompatible with Broccoli, Brussels sprouts, Cabbage, Cauliflower, Hyssop, Kohlrabi, Grape, Potato and Turnips.

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