Companion Planting Basil and Tomatoes: Benefits and How-To

Can I Plant Basil And Tomatoes Together?

Yes, Basil and tomatoes make great companions in the garden. When planted together, they help each other out. Basil acts as a natural insect repellent, protecting tomatoes from pests. In return, tomatoes provide shade for basil, preventing it from drying out.

Companion Planting Basil and Tomatoes

Companion Planting Basil and Tomatoes

Basil and tomatoes are classic companion plants, often grown together in gardens for their mutual benefits. Companion planting is the practice of growing different plant species together to create a mutually beneficial relationship. In the case of basil and tomatoes, the combination can enhance growth, flavor, and pest resistance.

Basil is a member of the mint family and is known for its aromatic leaves. Tomatoes, on the other hand, are members of the nightshade family and are grown for their juicy fruits. When planted together, basil can help to repel insects that commonly attack tomatoes, such as aphids, whiteflies, and tomato hornworms. The strong scent of basil acts as a natural deterrent to these pests, helping to keep tomato plants healthy and productive.

In addition to pest control, basil can also improve the flavor of tomatoes. The aromatic compounds in basil leaves are thought to enhance the sweetness and depth of flavor in tomatoes. By planting basil next to tomatoes, you can enjoy tastier, more flavorful tomatoes.

Benefits of Planting Basil and Tomatoes Together

Benefits of Planting Basil and Tomatoes Together

Companion planting basil and tomatoes offers numerous advantages for both plants:

  • Pest Repellent: Basil’s strong aroma repels insects that commonly infest tomatoes, such as aphids, whiteflies, and tomato hornworms.
  • Improved Growth: Basil releases volatile compounds that stimulate tomato growth and enhance fruit production.
  • Increased Flavor: Growing basil alongside tomatoes can improve the flavor of both plants. Basil’s aromatic oils enhance the sweetness of tomatoes, while tomatoes add a savory note to basil.
  • Disease Suppression: Basil’s antimicrobial properties help suppress diseases that can affect tomatoes, such as wilt and blight.
  • Weed Control: Basil’s dense growth can help suppress weeds around tomato plants.

These benefits make companion planting basil and tomatoes an excellent strategy for maximizing garden productivity and improving plant health.

How to Plant Basil and Tomatoes Together

Planting basil and tomatoes together is a classic companion planting combination that offers several benefits. To maximize these benefits, follow these steps:

  1. Choose the right varieties: Select basil varieties with a compact growth habit, such as ‘Dwarf Genovese’ or ‘Sweet Basil’. For tomatoes, choose determinate varieties that are well-suited to your climate.
  2. Plant at the right time: Start basil seeds indoors 6-8 weeks before the last frost. Transplant seedlings outdoors after the soil has warmed to at least 60°F (16°C). Tomatoes should be transplanted outdoors 2-3 weeks after the last frost.
  3. Plant in a sunny location: Both basil and tomatoes require full sun to thrive. Choose a planting site that receives at least 6 hours of direct sunlight per day.
  4. Plant basil around tomatoes: Plant basil around the base of tomato plants, spacing them about 12-18 inches apart. This will help to deter pests and diseases.
  5. Water and fertilize regularly: Water both basil and tomatoes deeply and regularly, especially during hot, dry weather. Fertilize every few weeks with a balanced fertilizer.
  6. Mulch around plants: Mulching around basil and tomatoes will help to retain moisture, suppress weeds, and regulate soil temperature.

By following these steps, you can successfully plant basil and tomatoes together and enjoy the benefits of this classic companion planting combination.

Best Varieties of Basil and Tomatoes for Companion Planting

Choosing the right varieties of basil and tomatoes is crucial for successful companion planting. Here are some recommended options:

Basil:

  • Genovese: A classic Italian variety with large, flavorful leaves.
  • Sweet Basil: A sweeter variety with a milder flavor.
  • Lemon Basil: A unique variety with a citrusy aroma and flavor.

Tomatoes:

  • Roma: A plum-shaped variety ideal for sauces and paste.
  • Brandywine: A large, heirloom variety known for its sweet flavor.
  • Cherry Tomatoes: Small, bite-sized tomatoes that are perfect for salads and snacks.

When selecting varieties, consider your climate, soil conditions, and personal preferences. By choosing compatible varieties, you can maximize the benefits of companion planting basil and tomatoes.

Tips for Growing Basil and Tomatoes Together

To ensure a successful companion planting experience between basil and tomatoes, follow these additional tips:

  • Choose the right varieties: Select basil and tomato varieties that are compatible in terms of size, growth habits, and maturity dates. For example, a compact basil variety like ‘Genovese Dwarf’ pairs well with a determinate tomato variety like ‘Celebrity’.
  • Plant at the right time: Plant basil and tomatoes in the spring or early summer, when temperatures are warm and the soil has warmed up. Basil is more sensitive to cold temperatures than tomatoes, so it’s best to wait until the risk of frost has passed before planting.
  • Provide adequate spacing: Give basil and tomatoes enough space to grow and avoid overcrowding. Plant basil plants 12-18 inches apart, and tomato plants 24-36 inches apart. This will allow for good air circulation and prevent disease problems.
  • Water regularly: Both basil and tomatoes need regular watering, especially during hot, dry weather. Water deeply and infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly: Basil and tomatoes are heavy feeders, so fertilize them regularly with a balanced fertilizer. Follow the instructions on the fertilizer package for the recommended application rate and frequency.
  • Mulch around the plants: Mulching around basil and tomatoes helps to retain moisture, suppress weeds, and regulate soil temperature. Use organic materials such as straw, hay, or compost as mulch.
  • Protect from pests and diseases: Basil and tomatoes can be susceptible to a variety of pests and diseases. Monitor your plants regularly for any signs of problems, and treat them accordingly. Use organic methods whenever possible, such as companion planting, crop rotation, and natural pest control.
Soil Preparation for Basil and Tomatoes

Soil Preparation for Basil and Tomatoes

Preparing the soil properly is crucial for the success of your basil and tomato companion planting. Here are some essential steps to follow:

Soil pH: Basil and tomatoes prefer slightly acidic soil with a pH range of 6.0 to 6.8. Test your soil and adjust the pH accordingly using lime or sulfur.

Drainage: Both basil and tomatoes require well-drained soil. Amend your soil with organic matter like compost or manure to improve drainage and water retention.

Fertility: Tomatoes are heavy feeders, so enrich the soil with a balanced fertilizer before planting. Basil, on the other hand, prefers less fertile soil, so avoid over-fertilizing it.

Raised Beds: If your soil is not well-drained, consider planting in raised beds. This will improve drainage and provide better growing conditions for your plants.

Mulching: Spread a layer of mulch around your plants to retain moisture, suppress weeds, and regulate soil temperature. Use organic materials like straw, bark, or compost.

Watering and Fertilizing Basil and Tomatoes

Watering and Fertilizing Basil and Tomatoes

Watering: Both basil and tomatoes require regular watering, especially during hot, dry weather. Water the plants deeply at the base, avoiding getting the leaves wet. Allow the soil to dry out slightly between waterings to prevent waterlogged roots.

Fertilizing: Fertilize basil and tomatoes every few weeks with a balanced fertilizer. Follow the instructions on the fertilizer label for the specific application rate. Avoid over-fertilizing, as this can lead to nutrient burn.

Tips:

  • Use a soaker hose or drip irrigation system to water the plants at the base.
  • Mulch around the plants to retain moisture and suppress weeds.
  • Fertilize the plants more frequently during periods of rapid growth.
  • Avoid fertilizing the plants in late summer, as this can promote excessive growth and delay ripening.

Pest and Disease Control for Basil and Tomatoes

Basil and tomatoes are both susceptible to a range of pests and diseases. By companion planting these two plants together, you can help to reduce the risk of some of these problems. For example, basil is known to repel insects such as aphids and whiteflies, which can damage tomato plants. Tomatoes, in turn, can help to protect basil from fungal diseases such as powdery mildew.

Here are some tips for pest and disease control when companion planting basil and tomatoes:

  • Inspect your plants regularly for signs of pests or diseases. If you find any problems, treat them promptly with an appropriate organic pesticide or fungicide.
  • Keep your garden clean by removing any fallen leaves or debris. This will help to reduce the risk of pests and diseases spreading.
  • Water your plants at the base to avoid getting the leaves wet. This will help to prevent fungal diseases.
  • Use companion planting to your advantage by planting basil and tomatoes together. This will help to deter pests and diseases and promote the health of both plants.

Harvesting Basil and Tomatoes

Harvesting Basil: Basil leaves can be harvested throughout the growing season. To harvest, simply pinch off the top few leaves from each stem. Basil can be used fresh or dried. To dry basil, simply hang the stems upside down in a warm, dry place.

Harvesting Tomatoes: Tomatoes are typically ready to harvest when they turn red and are slightly soft to the touch. To harvest, simply twist the tomato off the vine. Tomatoes can be eaten fresh, cooked, or canned.

Storing Basil and Tomatoes

Basil:

Store fresh basil in a glass of water at room temperature for up to a week. For longer storage, freeze basil leaves on a baking sheet and then transfer them to an airtight container. Basil can also be dried and stored in an airtight container for several months.

Tomatoes:

Store ripe tomatoes at room temperature for up to a week. For longer storage, refrigerate tomatoes for up to 3 weeks. Do not store tomatoes in the refrigerator if they are not fully ripe, as this will stop the ripening process.

Frequently Asked Questions

Q: Can I plant basil and tomatoes together?

A: Yes, basil and tomatoes are companion plants, meaning they benefit each other when planted together.

Q: What are the benefits of planting basil and tomatoes together?

A: Companion planting basil and tomatoes offers numerous advantages for both plants, including pest control, improved growth, increased flavor, disease suppression, and weed control.

Q: How do I plant basil and tomatoes together?

A: To maximize the benefits of companion planting basil and tomatoes, follow these steps: Choose the right varieties, plant at the right time, plant in a sunny location, plant basil around tomatoes, water and fertilize regularly, and mulch around plants.

Q: What are the best varieties of basil and tomatoes for companion planting?

A: For basil, consider ‘Genovese’, ‘Sweet Basil’, or ‘Lemon Basil’. For tomatoes, choose ‘Roma’, ‘Brandywine’, or ‘Cherry Tomatoes’.

Q: How do I care for basil and tomatoes planted together?

A: To ensure successful companion planting, provide adequate spacing, water regularly, fertilize regularly, mulch around the plants, and protect from pests and diseases.

Kalsoom Imran started her writing career eight years ago. She has over ten years of experience with farming, gardening, maintenance, and DIY projects. Kalsoom's work extends to growing edible gardens and medicinal plants and using them in educational/informative books and dealing with predators in the homestead.