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Companion Herbs for Tomato Plants: A Comprehensive Guide


companion herbs for tomato plants
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Tomatoes are a popular and versatile vegetable that can be grown in many different climates and conditions. They are also one of the most commonly grown vegetables in home gardens, which is why it's important to know what other plants can be grown alongside them to help them thrive. In this article, we'll explore some of the best companion herbs for tomato plants.

Benefits of Companion Planting

Companion planting involves growing two or more different plants together in a way that benefits both of them. In the case of tomatoes, companion planting can help improve soil quality, deter pests, attract beneficial insects, and even enhance flavor. Here are some of the benefits of companion planting for tomatoes:

Improved Soil Quality

Some herbs, such as chamomile and comfrey, have deep roots that can help break up compacted soil and add nutrients to the soil. This can improve the overall health of the soil and make it easier for tomato plants to grow strong and healthy.

Pest Deterrents

Certain herbs, such as basil and marigolds, have natural insect-repelling properties that can help keep pests away from your tomato plants. This can reduce the need for chemical pesticides and keep your garden healthier overall.

Attract Beneficial Insects

Other herbs, such as dill and fennel, can attract beneficial insects like ladybugs and lacewings, which can help control pests that might damage your tomato plants. This can also help promote a more diverse and healthy ecosystem in your garden.

Enhanced Flavor

Finally, some herbs, such as oregano and thyme, can enhance the flavor of tomatoes when grown alongside them. This can result in tastier and more flavorful tomatoes for you to enjoy.

Companion Herbs for Tomato Plants

Now that we've discussed some of the benefits of companion planting for tomatoes, let's take a look at some of the best herbs to grow alongside your tomato plants:

Basil

Basil is one of the most popular companion plants for tomatoes. Not only does it repel pests like aphids and whiteflies, but it also enhances the flavor of tomatoes when grown nearby. Basil grows well in warm weather and prefers full sun.

Chamomile

Chamomile is another herb with deep roots that can help break up compacted soil and add nutrients to the soil. It's also known for its ability to attract beneficial insects like hoverflies and wasps, which can help control pests. Chamomile prefers full sun and well-draining soil.

Dill

Dill is a great herb to grow alongside tomatoes because it attracts beneficial insects like ladybugs and lacewings, which can help control pests like aphids and caterpillars. Dill prefers full sun and well-draining soil.

Fennel

Fennel is another herb that attracts beneficial insects like ladybugs and lacewings, and it can also repel pests like slugs and snails. Fennel prefers full sun and well-draining soil.

Marigolds

Marigolds are known for their ability to repel pests like nematodes and whiteflies. They also attract beneficial insects like hoverflies and parasitic wasps, which can help control other pests. Marigolds prefer full sun and well-draining soil.

Mint

Mint is a great herb to grow alongside tomatoes because it repels pests like ants and aphids. It also has a refreshing scent that can help mask the smell of tomato plants, which can attract pests. Mint prefers partial shade and moist soil.

Oregano

Oregano is another herb that enhances the flavor of tomatoes when grown nearby. It also has natural insect-repelling properties that can help keep pests away from your tomato plants. Oregano prefers full sun and well-draining soil.

Parsley

Parsley is a good companion plant for tomatoes because it attracts beneficial insects like hoverflies and parasitic wasps, which can help control pests. Parsley prefers partial shade and well-draining soil.

Rosemary

Rosemary is a great companion plant for tomatoes because it repels pests like cabbage moths and bean beetles. It's also known for its ability to improve soil quality and add nutrients to the soil. Rosemary prefers full sun and well-draining soil.

Sage

Sage is another herb with natural insect-repelling properties that can help keep pests away from your tomato plants. It's also known for its ability to improve soil quality and add nutrients to the soil. Sage prefers full sun and well-draining soil.

Thyme

Thyme is a great herb to grow alongside tomatoes because it enhances the flavor of tomatoes when grown nearby. It also has natural insect-repelling properties that can help keep pests away from your tomato plants. Thyme prefers full sun and well-draining soil.

Tips for Companion Planting with Tomatoes

Here are some tips to keep in mind when planting herbs alongside your tomato plants:

Choose herbs that complement your tomato variety.

Different tomato varieties have different flavors and growing requirements. Make sure to choose companion herbs that will complement your specific variety of tomato.

Plant herbs in the right location.

Most herbs prefer full sun and well-draining soil, but some, like mint, prefer partial shade and moist soil. Make sure to plant each herb in a location that is best suited for its growing requirements.

Don't overcrowd your plants.

Make sure to give each plant enough space to grow and thrive. Overcrowding can lead to competition for nutrients and water, which can harm both your tomato plants and their companion herbs.

Maintain proper soil quality.

Make sure to regularly add organic matter like compost or manure to your soil to keep it healthy and nutrient-rich. This will help both your tomato plants and their companion herbs thrive.

Frequently Asked Questions

Q: Can I plant other vegetables alongside my tomato plants?

A: Yes! Many vegetables, such as peppers and eggplants, make good companion plants for tomatoes.

Q: Can I plant multiple companion herbs alongside my tomato plants?

A: Yes! In fact, planting multiple herbs together can create a more diverse and healthy ecosystem in your garden.

Q: Do companion herbs need to be planted at the same time as my tomato plants?

A: No, you can plant companion herbs before or after your tomato plants. Just make sure to give them enough time to grow before planting your tomato plants.

Q: Can companion herbs help prevent disease in my tomato plants?

A: Some herbs, like chamomile and comfrey, have natural disease-preventing properties that can help keep your tomato plants healthy.

Q: Can I use companion planting to reduce the need for chemical pesticides?

A: Yes! Companion planting can help attract beneficial insects and repel pests, which can reduce the need for chemical pesticides.


Companion planting is a great way to promote a healthy and diverse ecosystem in your garden while also improving the growth and flavor of your tomato plants. By planting some of these companion herbs alongside your tomato plants, you can create a thriving and sustainable garden that will benefit both you and the environment.


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