What not to plant next to cucumbers?

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What Not to Plant Next to Cucumbers?

Key Takeaways

  • Avoid planting potatoes near cucumbers to prevent the spread of pests and diseases that can harm both crops.
  • Keep sage and mint away from cucumbers as their chemicals can inhibit the growth of neighboring plants.
  • Avoid growing melons near cucumbers to prevent cross-pollination that can result in undesirable flavors and textures in both crops.

If you are planning to grow cucumbers in your garden, it is essential to consider companion planting. Companion plants are plants that provide benefits to each other when grown in close proximity. They can help deter pests, improve soil conditions, and enhance the overall health and productivity of your cucumber plants.

However, not all plants make good companions for cucumbers. Some plants may compete for resources or attract pests that can harm your cucumber crop. In this article, we will explore the plants that you should avoid planting next to cucumbers to ensure a successful harvest.

Avoid Planting Potatoes

Potatoes are not recommended to be planted near cucumbers. Both cucumbers and potatoes are susceptible to similar pests and diseases, including cucumber beetles and blight. By planting them together, you increase the risk of these pests and diseases spreading and affecting both crops. It is best to keep cucumbers and potatoes separated to minimize the chances of infestations and diseases.

Keep Sage and Mint Away

Sage and mint are aromatic herbs that can release chemicals into the soil. These chemicals can inhibit the growth of neighboring plants, including cucumbers. Therefore, it is advisable to avoid planting cucumbers near sage or mint to prevent any negative effects on their growth and development.

Avoid Growing Melons Nearby

While cucumbers and melons belong to the same plant family, they should not be grown together. Cucumbers and melons can cross-pollinate, resulting in undesirable flavors and textures in both crops. To maintain the distinct flavors and qualities of each, it is best to keep cucumbers and melons separate.

Steer Clear of Monarda

Monarda, also known as bee balm, is another plant that should not be planted near cucumbers. Monarda is a member of the mint family and can release chemicals that inhibit the growth of cucumbers. To ensure optimal growth and health of your cucumber plants, it is recommended to avoid planting them near monarda.


When planning your cucumber garden, it is crucial to consider the companionship of other plants. By avoiding planting potatoes, sage, mint, melons, and monarda near your cucumbers, you can prevent potential issues such as pest infestations, diseases, and cross-pollination. Instead, focus on planting cucumbers alongside legumes, corn, root vegetables, select flowers, and herbs such as dill and oregano. These companion plants can provide benefits such as pest deterrence and efficient use of resources, ensuring a bountiful cucumber harvest.

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Q: What are the benefits of companion planting for cucumbers?

Companion planting for cucumbers offers several benefits. It can enhance cucumber growth, deter pests, and provide nutrient support. By planting suitable companions, you can create a healthier and more productive cucumber garden.

Q: What are the common pests and diseases that affect cucumbers?

Cucumbers are commonly affected by pests such as aphids, cucumber beetles, and spider mites. They are also prone to diseases like powdery mildew and bacterial wilt.

Q: Which plants should be avoided as neighbors for cucumbers?

Plants that attract common cucumber pests, such as marigolds, are best avoided as neighbors for cucumbers. Additionally, plants susceptible to similar diseases as cucumbers, like pumpkins and melons, should also be planted separately. Furthermore, it is advisable to avoid planting high nutrient requirement plants like tomatoes near cucumbers.

Q: What are some suitable companions for cucumbers?

Some suitable companions for cucumbers include radishes, beans, and corn. Radishes deter pests, while beans provide nitrogen to the soil, benefiting cucumber growth. Corn provides a trellis for cucumbers to climb and offers some shading.

Q: Why is it important to consider factors like soil, pests, diseases, and nutrients when planning cucumber planting?

Considering factors like soil, pests, diseases, and nutrients is crucial for successful cucumber planting. It ensures optimal growth, prevents pest and disease infestations, and maintains a healthy nutrient balance in the soil, resulting in a bountiful cucumber harvest.