Boost Your Tomato Yield: The Best Companion Plants for Tomatoes Revealed

Seeking the top companion plants for tomatoes? Our guide cuts through the garden jargon to bring you a curated list of plants that boost tomato health, ward off pests, and enhance flavour. No guesswork involved – dig into our research-backed selections for a flourishing tomato garden. As tomatoes are the most popular veg to grow from seeds, it is essential to get the garden setup the right way for the tomato plants.

Key Takeaways

  • Companion planting helps tomatoes thrive by improving soil, deterring pests, and enhancing flavour.
  • Flowers and herbs attract beneficial pollinators and insects, while certain veggies enrich the soil and help with weed management.
  • Correct plant spacing, avoiding common planting mistakes, and experimenting with unique combinations can boost tomato yield.

Unlocking the Benefits of Tomato Companion Planting

Tomato plants growing in a garden

Companion planting is like finding the perfect roommate for your tomato plants. When different plants share the same space, they help each other grow and thrive. Think of it as a community where everyone has a role to play – some plants improve the soil, others fend off pests, and a few even enhance the taste and smell of your tomatoes.

Creating this garden harmony begins by understanding the unique contributions of each plant, including those from the nightshade family. For instance, bush beans help with air circulation, sweet potatoes protect from spores, and hairy vetch reduces disease and adds nitrogen. The secret is to choose plants that enjoy the same conditions as tomatoes – lots of sun and good soil.

You’re not restricted to traditional plant companions; feel free to get creative. Try interplanting tall tomato plants with shorter ones, or introduce some herbs into the mix. Success lies in experimenting to discover the most effective combinations for your garden.

Indeed, the thrill of companion planting often lies in experimentation. It’s like cooking – sometimes, the most unexpected combinations can turn out to be the most delicious. And with 22 recommended companion plants for tomatoes, you’ve got plenty of ingredients to play with.

Top Companion Plants for Pest Control

Marigold flowers in a garden

Now, let’s talk about one of the biggest headaches for any gardener – pests. You’ve probably had your fair share of battles with them, but did you know that certain plants can serve as your allies in this war? Yes, some plants, like:

  • thyme
  • cowpeas
  • radishes
  • collards
  • marigolds

are like natural pest bouncers, keeping the unwanted guests in check.

Each of these plants has a unique way of dealing with pests. For instance:

  • Broccoli can keep away hornworms and cabbage worms
  • Radishes act as a trap for flea beetles
  • Marigolds fight off root rot caused by tomato worms and slugs
See also  When to Repot Tomato Seedlings Into Bigger Pots

But that’s not all. We also have trap plants that lure pests away from the tomatoes, acting as a sacrificial crop. For example, radishes can attract flea beetles, saving your precious tomatoes from harm. Consider these pest control experts for your next tomato planting.

Enhancing Tomato Flavour with Herbs

Basil and oregano plants in a vegetable garden

As much as we love tomatoes for their health benefits, we can’t deny that their flavour is what truly makes them a favorite. And guess what? You can enhance this flavour by planting certain herbs alongside your tomatoes. Basil, parsley, and oregano are just a few that can take your tomatoes from “yum!” to “wow!”.

Specifically, rosemary and oregano are known to enhance the taste of ripe tomatoes when planted nearby. Yet, their benefits extend beyond flavour enhancement. They also play a crucial role in keeping insect pests at bay. Similarly, parsley attracts hoverflies that eat up pests like aphids, and also brings in ladybugs that help keep aphids and hornworm eggs in check.

Basil, too, deserves a mention. This herb not only makes tomatoes taste better, but it also keeps pests like thrips and tomato hornworms away. It releases chemicals that hide the smell of the tomatoes, making it difficult for pests to find their target plants. Give these flavourful companions a place in your next tomato planting.

Vegetables that Complement Tomatoes

Herbs and flowers aren’t the only great companions for tomatoes. Certain vegetables can provide mutual benefits when planted together. For instance, carrots are great at loosening up the soil, which is beneficial for tomato plant growth. Their roots break up compact soil, making it easier for tomato roots to spread and access nutrients.

Other vegetables that can play a supportive role in your garden include:

  • Celery: helps loosen the soil and attract beneficial insects
  • Lettuce: acts as a ground cover, retaining moisture and preventing weed growth
  • Garlic: deters spider mites with its strong smell
  • Asparagus: releases a compound that’s toxic to root knot nematodes

Adding these vegetables to your garden can help improve soil health and protect against pests.

These examples demonstrate the beauty of companion planting. It’s not just about growing plants side by side. It’s about creating a balanced ecosystem where each plant contributes to the wellbeing of others. Consider these beneficial vegetables when planning your next tomato garden.

Flowers That Boost Tomato Growth

cherry tomatoes

If you thought that flowers were just for show, think again! Certain flowers can play a crucial role in boosting tomato growth. Nasturtiums, sunflowers, and zinnias are just a few examples. These flowers attract pollinators, which help increase pollination rates and lead to better fruit set for the tomatoes.

Sunflowers and zinnias, with their vibrant colors and easy-to-reach nectar, are excellent at attracting pollinators. Their presence in your tomato garden can significantly increase the pollination rates, leading to a more bountiful harvest. But they don’t just stop at attracting pollinators. Cosmos and nasturtiums also play a role in pest control by attracting aphids away from the tomatoes.

In your next vegetable garden plan, think about brightening it up with these flowers. They won’t just make your garden more attractive; they’ll also ensure the health and productivity of your tomato plants, contributing to a successful tomato crop and helping your tomato plants thrive.

See also  How Long Does It Take for Tomato Seeds to Germinate

Soil Enrichment and Weed Management with Cover Crops

Companion planting isn’t just about pairing plants for mutual benefits. It’s also about enriching the soil for future crops. This is where cover crops come in. Cover crops like crimson clover, winter tares, and oats can improve soil health, manage weeds, and even support tomato growth.

These crops each offer unique benefits:

  • Winter tares can enrich the soil with nitrogen and reduce foliar diseases in tomato plants.
  • Crimson clover acts like a living mulch, attracting pollinators and providing nitrogen through nitrogen fixation.
  • Oats add organic matter to the soil, improving its structure and fertility.

But the benefits of cover crops extend beyond soil health. They also play a crucial role in weed management. For instance, winter rye releases chemicals that inhibit weed seed germination, effectively keeping the weeds in check around tomato plants. Consider these soil superheroes as partners for your tomatoes.

Attracting Pollinators to Your Tomato Garden

As any seasoned gardener will tell you, pollinators are the unsung heroes of bountiful harvests. They help fertilize the flowers by moving pollen around, leading to better fruit production. And you can attract these beneficial creatures to your tomato garden with certain companion plants, such as:

  • Marigolds
  • Borage
  • Nasturtiums
  • Basil
  • Calendula

By planting these best tomato companion plants alongside your tomatoes, you’ll not only create a welcoming environment for pollinators and increase your chances of a successful harvest but also make the most of tomato companion plants.

Take borage, for instance. This plant is a magnet for bees, butterflies, and other pollinators, helping to increase the pollination rates in your tomato garden. But it’s not just borage; lavender also attracts pollinators. Its vibrant colour and fragrant aroma draw in bumblebees and other insects, which help fertilize the tomato flowers, leading to better fruit production.

Remember to guide your pollinators with the right plant choices. Planting borage, lavender, and other pollinator-friendly plants could be the key to a successful tomato harvest.

Avoiding Common Tomato Planting Mistakes

We all make mistakes, and gardeners are no exception. But some common tomato planting errors can be avoided with a little knowledge and forethought. These include:

  • Planting too early
  • Not providing adequate support
  • Neglecting to plan ahead
  • Planting tomatoes too late
  • Not using mulch
  • Overwatering
  • Not planting seedlings deep enough
  • Choosing the wrong seed variety

Crowding is another common mistake that can hinder your tomato harvest. When tomato plants are cramped together, they’re more susceptible to diseases and pests, produce fewer fruits, block each other from the sun, compete for nutrients and water, and make harvesting a challenge. To prevent this, ensure each tomato plant has at least 24 inches (61 cm) of space. And if you’re growing large, vine-producing tomatoes, give them 36 inches (91 cm) of space.

Avoiding these missteps can create an ideal environment for your tomato plants to flourish. Keep in mind, achieving gardening success is a process of learning. So don’t be disheartened if things don’t go perfectly the first time. Keep learning, experimenting, and adjusting your approach.

Spacing and Arrangement Tips for Companion Planting

In the world of companion planting, not only is it important what you plant, but also how you arrange the plants. Optimal spacing and arrangement provide each plant with sufficient nutrients, sunlight, and air circulation, vital for their growth and health.

See also  Seed Collection

For instance, while companion planting with mustard plants can benefit certain crops, it may actually decrease the yield of tomatoes. This is because mustard plants, when grown too close to tomatoes, can compete for the same resources, leading to reduced growth and productivity.

To ensure that your young tomato plants get enough sun, consider placing shorter plants near them when you plant tomatoes, such as:

  • Borage
  • Chives
  • Marigolds
  • Nasturtiums

These plants won’t obstruct the sunlight, ensuring that your tomato plants get all the light they need for photosynthesis.

Bear in mind, a well-thought-out garden is both visually pleasing and productive.

Experimenting with Unique Companion Plant Combinations

Now that we’ve covered the basics, why not take it a step further and experiment with some unique companion plant combinations? Companion planting is not a one-size-fits-all approach. What works for one garden might not work for another. So don’t be afraid to try out new combinations and see what works best for your particular tomato varieties and garden conditions.

Consider trying out different types of herbs, flowers, and vegetables. For instance, you could plant:

  • Calendula
  • Chives
  • Black-eyed peas
  • Thyme
  • Garlic
  • Onions
  • Lavender
  • Parsley
  • Borage
  • Squash
  • Alliums
  • Alyssum
  • Beans and peas
  • Peppers

with your tomatoes for some unique combinations.

Remember, the goal of companion planting is to create a balanced, resilient ecosystem where each plant supports and benefits the others. Embrace experimentation. The benefits that certain combinations can offer your tomato plants may surprise you.


In conclusion, companion planting is an excellent way to boost your tomato yield, reduce pests, and enhance the flavour of your tomatoes. By carefully selecting and arranging your plants, you can create a thriving garden ecosystem where each plant supports and benefits the others. Whether you’re a seasoned gardener or just starting out, companion planting can give your garden a boost and make your gardening experience more rewarding. So why not give it a try? Your tomatoes (and your taste buds) will thank you!

Frequently Asked Questions

What is the best companion plant for tomatoes?

The best companion plants for tomatoes are marigolds, garlic, onions, lavender, basil, chives, asparagus, and celery, as they help deter insects and enhance growth. You can plant these alongside your tomatoes to improve their overall health and yield.

What should not be planted next to tomatoes?

You should avoid planting cabbage, corn, broccoli, fennel, dill, potatoes, eggplant, and walnuts near tomatoes, as they can stunt the growth of the tomato plants.

Can you plant cucumbers and tomatoes together?

Yes, you can plant cucumbers and tomatoes together in your garden. They have similar growing needs and can benefit from being grown in close proximity, especially if space is limited.

Can you plant tomatoes and runner beans together?

Yes, you can plant tomatoes and runner beans together to benefit from improved soil health and nutrient availability, as the beans can add nitrogen to the soil, which is essential for healthy plant growth.

What are some benefits of tomato companion planting?

Companion planting with tomatoes can improve soil quality, reduce pests, increase pollination, and enhance the flavour of the tomatoes. Happy gardening!

Latest Articles