Companion Plants for Basil

3 min readMay 31, 2024

In the world of gardening, companionship isn’t just for humans. Plants, too, thrive when surrounded by compatible neighbors. Basil, with its fragrant leaves and versatility in the kitchen, is no exception. Understanding which plants make ideal companion plants for basil can enhance its growth, flavor, and overall health while deterring unwanted pests. Let’s delve into the fascinating realm of basil companion plants and steer clear of those that spell trouble.

The Best Companion Plants for Basil:

1. Tomatoes:

Basil and tomatoes transfer more than just a place in Italian cuisine; they also make fantastic garden companions. Tomatoes repel pests like aphids, while basil wards off tomato hornworms. Plus, basil enhances the flavor of tomatoes when grown nearby.

2. Peppers:

Whether bell peppers, chili peppers, or any other variety, peppers thrive alongside basil. Basil’s aromatic properties help repel pests like aphids and spider mites, protecting pepper plants from harm.

3. Oregano:

With its similar care requirements and complementary flavors, oregano is an ideal companion for basil. They create a harmonious environment while deterring pests like cabbage moths and aphids.

4. Marigolds:

Marigolds are known for their vibrant colors, pest-repelling properties, and excellent companionship with basil. These flowers deter nematodes and other harmful insects, creating a protective barrier around basil plants.

5. Beans:

Beans like bush beans and pole beans thrive when planted alongside basil. Basil’s aromatic oils help deter pests like aphids and whiteflies, promoting healthier bean plants and increased yields.

Bad Companion Plants for Basil:

While some plants flourish alongside basil, others can hinder its growth and development. Here are a few plants to avoid planting near basil:

1. Rue:

Rue emits substances that can stunt the growth of nearby plants, including basil. Avoid planting these two together to prevent detrimental effects on your basil crop.

2. Sage:

Despite being a member of the mint family like basil, sage can inhibit basil’s growth when planted nearby. Keep these two herbs separated to ensure optimal growth for both plants.

3. Cucumbers:

Cucumbers and basil require different amounts of moisture and light, which might cause resource conflict. To avoid limiting their growth, keep the plants separate in the garden.

4. Fennel:

Fennel produces chemicals that can inhibit the growth of nearby plants, including basil. Planting these two together may stunt basil growth and reduce yields.

5. Anise:

Like fennel, anise emits compounds that can negatively affect nearby plants like basil. Keep these two herbs separated to prevent any adverse effects on your basil crop.

By understanding the dynamics of basil companion plants, you can make a thriving garden ecosystem that naturally promotes growth and repels pests. Avoiding bad companions for basil ensures that your plants reach their full potential, resulting in a bountiful harvest of flavorful herbs for your culinary creations. Happy gardening!

Also Learn:

Q. Where does Basil like to be planted?

Basil thrives in well-drained soil with total sun exposure. It prefers a warm, sheltered location in the garden or containers on a sunny patio.

Q. Does Basil grow better in pots or the ground?

Basil can grow well in pots and on the ground, but it often thrives in pots due to the ability to control soil quality, drainage, and placement for optimal sunlight. However, if the soil is well-drained and receives adequate sunlight, Basil can flourish when planted directly in the garden.

Q. How close to tomatoes can I plant Basil?

Basil and tomatoes make excellent companions and can be planted near each other in the garden. Ideally, Basil should be planted within a few feet of tomato plants to benefit from mutual pest-repellent properties and enhance the flavor of tomatoes.