What To Grow With Cucumbers: Companion Planting Guide

Growing Cucumbers in Container Gardens
Growing Cucumbers in Container Gardens from www.thespruce.com

Cucumbers are a popular vegetable to grow in home gardens. They are delicious, refreshing, and easy to cultivate. However, to maximize their growth and yield, it’s important to choose the right companion plants to grow alongside them. Companion planting is the practice of growing certain plants together to maximize their growth potential and deter pests. In this article, we will explore some of the best companion plants for cucumbers.

The Benefits of Companion Planting with Cucumbers

Companion planting offers several benefits when growing cucumbers:

  • Pest Control: Certain plants can help repel pests that commonly affect cucumbers, such as cucumber beetles and aphids. By planting companion plants that naturally deter these pests, you can reduce the need for chemical pesticides.
  • Increased Yield: Some companion plants can improve cucumber growth and yield by attracting beneficial insects, improving pollination, and providing shade or support.
  • Weed Suppression: Companion plants can help suppress weeds by shading the soil and preventing weed growth.
  • Improved Soil Health: Certain companion plants, such as legumes, can fix nitrogen in the soil, enriching it and providing essential nutrients for cucumber growth.

Companion Plants for Cucumbers

Now that we understand the benefits of companion planting with cucumbers, let’s explore some of the best companion plants to grow alongside them:

1. Marigolds

Marigolds are one of the most popular companion plants for cucumbers. They have a strong scent that repels pests like aphids and cucumber beetles. Additionally, marigolds attract beneficial insects like ladybugs and parasitic wasps, which prey on common cucumber pests.

2. Nasturtiums

Nasturtiums are another excellent companion plant for cucumbers. They have a strong scent that repels aphids, whiteflies, and squash bugs. Nasturtiums also attract pollinators like bees and butterflies, which can improve cucumber pollination and yield.

3. Radishes

Radishes are a great companion plant for cucumbers because they help deter cucumber beetles. Radishes release a scent that repels these pests, reducing the likelihood of an infestation. Additionally, radishes can act as a trap crop, attracting cucumber beetles away from the cucumbers.

4. Beans

Beans, such as bush beans or pole beans, are beneficial companion plants for cucumbers. Beans are nitrogen-fixing plants, which means they take nitrogen from the air and convert it into a form that can be used by plants. This process enriches the soil with nitrogen, which is essential for cucumber growth.

5. Dill

Dill is not only a flavorful herb but also a great companion for cucumbers. Dill attracts beneficial insects like wasps and ladybugs, which prey on cucumber pests. Additionally, dill provides shade for the cucumbers and can help improve their growth.

Companion Plants to Avoid

While some plants make excellent companions for cucumbers, others should be avoided. These plants may compete for resources, attract pests, or hinder cucumber growth. Avoid planting cucumbers with:

  • Potatoes: Potatoes and cucumbers are both susceptible to blight, a fungal disease. Planting them together increases the risk of contamination.
  • Aromatic Herbs: Strongly scented herbs like basil and sage can deter bees and other pollinators, affecting cucumber pollination and yield.
  • Fennel: Fennel produces a chemical that inhibits the growth of many plants, including cucumbers.


Companion planting with cucumbers can significantly benefit their growth and yield. By choosing the right companion plants, you can repel pests, attract beneficial insects, improve pollination, and enrich the soil. Marigolds, nasturtiums, radishes, beans, and dill are all excellent choices for companion planting with cucumbers. However, it’s important to avoid planting cucumbers with potatoes, aromatic herbs, and fennel. With the right companions, your cucumber plants will thrive, leading to a bountiful harvest of delicious cucumbers.

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