Paul Johnston is the founder and master herbalist of The Herb Prof, with decades of clinical experience in naturopathic medicine, herbal remedies, detoxification and holistic wellness. After overcoming his own serious health challenges, he now dedicates himself to helping others reclaim their health naturally.
Basil and tomato companion planting is a popular and effective gardening technique used for centuries. When planted together, basil and tomatoes improve each other’s growth and flavor and help repel pests. As an avid gardener, I’ve found that this combination is not only aesthetically pleasing but also produces a bountiful harvest.
One of the main benefits of basil and tomato companion planting is the flavor enhancement. When grown together, the basil’s strong aroma can infuse the tomatoes with its delicious flavor, resulting in a more robust and flavorful tomato. In addition to flavor, planting basil with tomatoes can also help to repel pests such as thrips and tomato hornworms. Basil’s strong scent can deter these pests, which can save your tomato crop from damage.
If you are planning to start a garden or looking to improve your current one, consider planting basil and tomatoes together. Not only will they improve each other’s growth and flavor, but they are also easy to care for and require similar growing conditions. With the right care and attention, the combination of basil and tomatoes can provide a beautiful and bountiful harvest.
Benefits of Companion Planting
As a gardener, I have found that companion planting is an effective way to ensure healthy plants and a bountiful harvest. When it comes to basil and tomato companion planting, there are several benefits to consider.
Enhanced Growth and Flavor – Basil and Tomato Companion Planting
Basil and tomato plants have a natural affinity for each other. When planted together, they can enhance each other’s growth and flavor profile. Basil’s strong aroma can repel pests like aphids that can damage tomato plants, while enhancing the flavor of tomatoes when planted nearby. Additionally, tomato plants produce solanine, which deters pests from destroying both crops.
Natural Pest Control
Companion planting is an excellent way to control pests in the garden naturally. Some plants, like basil, can repel pests like aphids, squash bugs, and other insects. Other companion plants, like marigolds, can attract beneficial insects like ladybugs and lacewings, which can help control harmful pests.
Improved Pollination – Basil and Tomato Companion Planting
Pollination is a critical process in the growth and development of plants. Companion planting can help attract pollinators like bees to the garden, which can improve the pollination of both basil and tomato plants. When plants are well-pollinated, they produce more fruit and healthier plants.
Disease Prevention
Diseases can be a significant problem in the garden and can quickly spread from plant to plant. Companion planting can help prevent the spread of diseases by creating a diverse ecosystem in the garden. For example, planting basil near tomato plants can help repel pests that can spread diseases, while also attracting beneficial insects that can help control harmful pests.
In conclusion, the benefits of basil and tomato companion planting are numerous. By enhancing growth and flavor, controlling pests naturally, improving pollination, and preventing diseases, gardeners can enjoy healthy plants and a bountiful harvest.
Planning Your Companion Garden – Basil and Tomato Companion Planting
When planning a companion garden for tomatoes and basil, there are a few things to consider to ensure the plants thrive and grow well together. Here are some tips to help you plan your garden:
Garden Layout and Spacing
When planting basil with tomatoes, it’s important to consider their growth habits and spacing requirements. Tomatoes need full sun and well-drained soil, while basil prefers well-drained soil and partial shade. To accommodate these differences, you can interplant the two, placing the basil plants in the spaces between the tomato plants.
Spacing is also important to consider. Tomatoes need to be spaced about 18-24 inches apart, while basil can be planted about 12-18 inches apart. Be sure to leave enough space between the plants for good air circulation and to prevent overcrowding.
Choosing Companion Plants – Basil and Tomato Companion Planting
In addition to basil, there are several other companion plants that can benefit tomatoes in the garden. Marigolds, chives, nasturtiums, oregano, and thyme are all good choices. Marigolds, in particular, are known for their ability to repel pests and attract beneficial insects to the garden.
When choosing companion plants, it’s important to consider their growth habits and the amount of space they require. Be sure to choose plants that have similar growing requirements to your tomatoes and basil.
Plants to Avoid
While many plants can benefit tomatoes and basil, some plants should be avoided. Fennel, for example, can inhibit the growth of tomatoes, while cabbage and corn can attract pests that can damage both tomatoes and basil.
By planning your companion garden carefully and choosing the right plants, you can create a thriving garden that benefits both your tomatoes and basil.
Specific Companion Planting Tips – Basil and Tomato Companion Planting
Tomatoes and Basil Companion Planting
Tomatoes and basil are considered one of the best companion plant pairings. Planting basil alongside tomatoes can help repel pests that attack tomato plants, such as tomato hornworms. Basil also enhances the flavor of tomatoes when planted nearby. Additionally, tomato plants produce solanine, which deters pests from destroying both crops. I always plant basil as a ground cover between my tomato plant rows.
Companions for Pest Management
Companion planting can help control pests in your garden. Marigolds, nasturtium, garlic, and chives are all great companions for basil and tomato plants. Marigolds repel whiteflies and spider mites, while nasturtium deters aphids. Garlic and chives repel a variety of pests, including aphids, carrot flies, and spider mites.
Companions for Soil Health
Companion planting can also help improve soil health. Asparagus and beans are great companions for basil and tomato plants as they add nitrogen to the soil. Carrots are also a great companion as they help break up the soil, allowing for better water and nutrient absorption. Adding organic matter to the soil, such as compost or aged manure, can also help improve soil health and benefit all plants in the garden.
In conclusion, planting basil and tomatoes together is a great way to enhance the flavor of your tomatoes and help control pests. Companion planting can also help improve soil health and increase crop production. By choosing the right companions for your basil and tomato plants, you can create a thriving garden that is both beautiful and productive.
Caring for Your Companion Plants – Basil and Tomato Companion Planting
When you practice companion planting, you must care for your plants to ensure a healthy and fruitful garden. Here are some tips on how to care for basil and tomato plants:
Watering and Feeding – Basil and Tomato Companion Planting
Watering and feeding your plants play a crucial role in their growth and nutrient uptake. Basil and tomato plants need regular watering, especially during hot and dry weather. Water them deeply once a week rather than giving shallow waterings more frequently. Deep watering encourages stronger root growth and helps the plants withstand drought conditions.
For feeding, add organic matter such as compost or well-rotted manure to the soil before planting. Apply a balanced fertilizer every two to three weeks during the growing season to keep the plants growing optimally and maintain their health.
Pruning and Harvesting
Prune basil and tomato plants to increase airflow and sunlight exposure. This reduces the risk of diseases and improves overall plant health. For basil, pinch off the top leaves and stems regularly to encourage bushier growth and stop the plant from going to seed too quickly. For tomatoes, remove suckers that grow between the main stem and branches so the plant can focus its energy on fruit production.
Harvest basil and ripe tomatoes regularly to keep growth and production steady. For basil, harvest leaves as needed but avoid removing more than one-third of the plant at a time. For tomatoes, pick them when they fully ripen and feel slightly soft when gently squeezed.
Monitoring for Pests and Diseases
Garden pests and diseases often cause problems for basil and tomato plants. Plant trap crops such as marigolds or nasturtiums to attract insect pests away from your main crops.
Inspect your plants regularly for signs of pests and diseases, such as yellowing leaves or wilting. Remove and dispose of affected plant material immediately to stop diseases from spreading.
In summary, caring for companion plants requires attention to watering and feeding, pruning and harvesting, and monitoring for pests and diseases. By following these tips, you keep your garden healthy and productive.
Companion Planting in Different Settings – Basil and Tomato Companion Planting
When you practice companion planting, you can choose from different settings. Whether you grow in a small balcony garden, a raised bed, or a large farm, you can still benefit from companion planting. In this section, I explain how to apply companion planting techniques in different settings.
Raised Beds and Containers – Basil and Tomato Companion Planting
If you have limited space, raised beds and containers give you a great option for growing tomatoes and basil together. When planting in a raised bed, use a square-foot gardening technique to maximize space. Divide the bed into square sections, with each section dedicated to a specific plant. For example, dedicate one square to a tomato plant and another square to a basil plant. This approach helps you make the most of your limited space.
In containers, grow tomatoes and basil together by choosing containers large enough to hold both plants. Tomatoes demand plenty of water and nutrients, so fill the container with nutrient-rich soil. Place the container in a sunny spot to give both plants at least six hours of sunlight each day.
Large Gardens and Farms
If you manage a large garden or farm, rotate crops to keep tomatoes and basil from growing in the same spot year after year. Crop rotation means planting different crops in the same area each season to stop pests and diseases from building up. For example, grow tomatoes in one spot one year and switch to basil in that same spot the following year.
In a large garden or farm, practice companion planting to attract beneficial insects and drive away harmful ones. For instance, plant marigolds near tomatoes to repel nematodes, and grow basil near tomatoes to repel hornworms. Add beans near basil to enrich the soil with nitrogen, which basil needs for healthy growth.
In conclusion, companion planting offers an effective way to grow tomatoes and basil together in different settings. Whether you work with limited space or a large garden, you can rely on companion planting to maximize yields and reduce pests and diseases.
Harvesting and Using Your Produce – Basil and Tomato Companion Planting
Best Practices for Harvesting
When harvesting tomatoes, it is best to wait until they are fully ripe on the vine. This allows them to develop their full flavor and sweetness. Ripe tomatoes should be firm but slightly soft to the touch. They should also have a deep, rich color and a strong tomato aroma.
Basil, on the other hand, should be harvested before it flowers. This is when the leaves contain the highest concentration of essential oils, which give the herb its flavor and aroma. When harvesting basil, it is important to pinch off the top leaves and stems, rather than cutting the plant at the base. This will encourage the plant to produce more leaves and continue growing.
Storing and Preserving – Basil and Tomato Companion Planting
Tomatoes should be stored at room temperature until they are fully ripe. Once they are ripe, they can be stored in the refrigerator for up to a week. However, refrigeration can affect the flavor and texture of tomatoes, so it is best to use them as soon as possible.
Basil can be stored in the refrigerator for a few days, but it is best to use it as soon as possible. To preserve basil for longer periods, it can be dried or frozen. To dry basil, simply hang the stems upside down in a warm, dry place until the leaves are crispy. Once dry, the leaves can be crumbled and stored in an airtight container. To freeze basil, simply chop the leaves and pack them into ice cube trays with a little water. Once frozen, the cubes can be stored in a freezer bag and used as needed.
Culinary Uses
Tomatoes and basil are a classic combination in many Italian dishes, such as Caprese salad and Margherita pizza. They can also be used in a variety of other dishes, such as pasta sauces, soups, and stews. When cooking with tomatoes, it is important to remove the seeds and skin, as they can be tough and bitter. Basil can be added to dishes either fresh or dried, depending on the recipe.
Here are a few recipe ideas to get you started:
- Tomato and Basil Bruschetta: Toast slices of bread, then top with diced tomatoes, chopped basil, and a drizzle of olive oil.
- Tomato and Basil Pasta: Cook spaghetti according to package instructions, then toss with a sauce made from sautéed garlic, diced tomatoes, and chopped basil.
- Tomato and Basil Soup: Sauté onions and garlic in a pot, then add diced tomatoes, chicken broth, and chopped basil. Simmer until the tomatoes are soft, then blend until smooth.
Before You Go – Basil and Tomato Companion Planting
Pairing basil and tomatoes in the garden isn’t just a culinary match but a smart growing strategy. Basil helps repel pests like aphids, whiteflies, and hornworms, while enhancing tomato flavor and growth. Together, these plants create a mutually beneficial environment that supports healthier harvests and fewer chemical interventions.
Before you head back to your garden, remember to space your plants properly, water consistently, and prune as needed to encourage airflow and reduce disease. With a little care and planning, basil and tomatoes can thrive side by side, offering beauty, fragrance, and delicious rewards all season long.
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References – Basil and Tomato Companion Planting
Little Herb Encyclopedia, by Jack Ritchason; N.D., Woodland Publishing Incorporated, 1995
The Ultimate Healing System, Course Manual, Copyright 1985, Don Lepore
Planetary Herbology, Michael Tierra, C.A., N.D., Lotus Press, 1988
Handbook of Medicinal Herbs, by James A. Duke, Pub. CRP Second Edition 2007
The Complete Medicinal Herbal, by Penelope Ody, Published by Dorling Kindersley
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Frequently Asked Questions – Basil and Tomato Companion Planting
How many basil plants should be planted per tomato plant for optimal growth?
Plant one to two basil plants for each tomato plant. This ratio prevents basil from competing with tomatoes for nutrients and space. Adjust the number of basil plants based on the size of your container or garden bed.
What are the benefits of planting basil alongside tomatoes?
Basil and tomatoes grow as natural companions in the garden. Basil deters pests that commonly attack tomato plants, such as aphids and tomato hornworms. It also enhances tomato flavor when grown nearby. In addition, basil shades the soil and helps retain moisture, which benefits tomato plants.
Can basil and tomatoes be planted together in containers, and if so, how?
Yes, you can plant basil and tomatoes together in containers. Choose a large container to allow proper root growth and prevent competition for space. Place the tomato plant in the center and surround it with basil plants. Ensure the container drains well and receives at least six hours of sunlight daily.
What other vegetables work well as companion plants with basil and tomatoes?
Peppers, eggplant, and garlic grow well alongside basil and tomatoes. Peppers and eggplant belong to the same family as tomatoes, so they share nutrient requirements and thrive in similar soil conditions. Garlic helps deter pests and diseases that often attack tomato plants.
What are some common pests that basil can help deter when planted near tomatoes?
Basil deters aphids, tomato hornworms, and whiteflies. Its strong scent masks the smell of tomato plants, making them less attractive to pests.
Are there any plants that should be avoided when practicing companion planting with basil and tomatoes?
Avoid planting fennel and brassicas, such as broccoli and cabbage, near basil and tomatoes. These plants release chemicals that inhibit the growth of nearby crops, including tomatoes and basil.