The Best Companion Plants For A Thriving Garden in 2023

As gardeners, we all know how long it can take to get your garden to the harvest you expect, especially if your garden doesn’t seem to be cooperating. I spent many years thinking I was doing something wrong but then I found that companion planting could be the game-changer I was looking for.

I put this companion planting guide together to help you avoid many of the struggles I came across. I’ll share how companion plants work, and how to pair vegetables and flowers strategically for optimal growth, pest deterrence, and pollinator attraction.

My hope is this guide will save you years of frustration and allow you to truly enjoy your garden.

Key Takeaways

  1. Companion planting involves strategically pairing vegetables and flowers to optimize growth, deter pests, and attract beneficial pollinators in your garden.
  2. By following essential principles like diversity, plant compatibility, and timing, you can create a balanced ecosystem that supports healthy plant growth while naturally deterring pests.
  3. Some of the best companion plants include basil with tomatoes for pest control, apple trees with pepper plants for shade and insect attraction, onions with green beans as pest deterrents, and cucumbers with other vegetables and herbs for improved overall health.

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What is Companion Planting?

Companion planting is a gardening practice that leverages the natural benefits of pairing different plants. Think of it as creating an ecosystem where each plant helps its neighbor either by deterring pests, attracting beneficial insects, enhancing soil fertility, or boosting plant growth.

Here’s a great video outlining what companion planting is and why it’s so important to your garden.

Why Vegetables Need Friends: Companion Planting Made Simple 🌺

It’s not a one-size-fits-all solution; specific vegetables have their “perfect partners” for mutual benefits.

For instance, basil is great with tomatoes because the basil plants repel insects and confusing moths that lay tomato hornworms.

Similarly, garlic is a pungent bodyguard for susceptible crops like carrots and lettuce, which helps ward off aphids.

Did you know even flowers like marigolds and nasturtiums play a crucial role in your vegetable garden? They are more than just eye candy, they prove to be effective in detracting pests while inviting useful insects that help pollinate your garden!

You’re not limited to just veggies and flowers. Companion planting also includes fruit trees like apples and blueberries which thrive alongside specific plants.

Using this method makes our jobs as gardeners easier since nature can do a much better job at pest control, attracting pollinators, and improving soil nutrients than we ever could.

Benefits of Companion Planting

There are many benefits companion planting offers to your garden, including improved growth, pest deterrence, and enhanced pollination.

As a gardener, I feel like I spend quite a bit of time fighting off pets and trying to attract the right insects (which improve the growth). Don’t be like me, just have your garden do it for you 😀.

Improved Growth

By placing mutually beneficial plants together, each plant enjoys the advantages of optimal soil nutrition and reduced competition for essential resources such as sunlight and water.

For example, corn provides a natural trellis for beans to climb while beans enrich the soil by fixing nitrogen – an element crucial for corn’s vigorous growth. This reciprocal relationship boosts their overall development, resulting in healthier mature plants with increased yields.

Equally important is resource efficiency when deciding which plants to grow together.

A well-researched garden layout allows tall crops like sunflowers or tomatoes to provide necessary shade to cool-season vegetables such as lettuce and spinach, reducing their heat exposure during hot summer months.

Besides offering shade regulation, the taller plants increase plant efficiency by utilizing vertical space, letting vining plants grow upward instead of sprawling on the ground. This arrangement creates better airflow around lower-lying crops which decreases fungal diseases linked with damp conditions.

Pest Deterrence

Finding plants that repel pests is a major benefit of companion planting. Imagine garlic serving as a pungent bodyguard and repelling aphids that get near your crops.

Or what about nasturtiums working overtime in your vegetable garden by luring away voracious caterpillars from feasting on your kale, cabbage, and tomato plants?

This is the power of strategic plant pairing for pest control, which is an effective and organic way to protect your plants from unwanted visitors.

How about Tomato and basil? The scent of basil cleverly disorients moths looking to lay tomato hornworm eggs; it’s an unexpected yet successful partnership reducing damage in our gardens.

It’s not all about insects though. Pairing particular vegetables together and they’ll confuse or even repel pests through their combined aromas or tastes.

With companion planting methods, we can create robust and healthy gardens teeming with biodiversity but remarkably free from troublesome pests!

Enhanced Pollination

Growing certain flowers alongside your crops can attract more pollinators like bees, butterflies, and hummingbirds.

These helpful creatures play a vital role in transferring pollen from flower to flower, which leads to better fruit sets and higher yields for your vegetables.

For example, planting sunflowers or zinnias near your tomatoes or cucumbers not only adds beauty to your garden but also entices pollinators with their vibrant colors and nectar-rich blooms.

My first year of gardening resulted in zero tomatoes and cucumbers because I didn’t have any flowers to attract pollinators. Without pollinators, my vegetables didn’t produce fruit, which left me with a yard full of vines and a wasted growing season. Lesson learned 😭.

Essential Principles of Companion Planting

companion plants in the garden

Companion planting is all about strategically pairing different plants in your garden to create a harmonious and thriving ecosystem.

Understanding the essential principles of companion planting can greatly improve the health and productivity of your vegetable garden.

One important principle is diversity. By mixing different types of vegetables together, you create a more resilient garden that is less susceptible to pests and diseases.

For example, interplanting carrots with onions can help deter carrot flies, while growing marigolds alongside tomatoes can repel nematodes.

Another key principle is plant compatibility. Certain plants have natural affinities for each other and when plants are grown together, they provide mutual benefits such as improved growth and pest reduction.

For instance, basil and tomatoes are famous companions as basil helps repel insect pests that damage tomato plants.

It’s also crucial to consider the timing when it comes to companion planting. Some plants may thrive better when planted alongside others during certain seasons or stages of growth.

For instance, planting lettuce between rows of tall plants like beans or corn provides shade for delicate lettuce leaves.

By following these principles – diversity, plant compatibility, and timing – you’ll start to see how each plant supports one another’s growth while naturally deterring pests and improving overall plant health in your vegetable garden

Best Companion Plants That Grow Well Together

best companion plants

Now keep in mind this is not an exhaustive list (you’d be here all day). I wanted to give you a list of some of the best companion plants to help give your garden the best chance of success.

Here are some great plants you should consider when planning your garden.


Tomatoes are a staple in many vegetable gardens, and companion planting with tomatoes can provide numerous benefits. One popular companion plant for tomatoes is basil, which not only adds a delicious flavor but also repels certain insects like mosquitoes and flies, which helps tomatoes grow.

Another effective companion for tomatoes is garlic, as it helps to deter aphids that can damage plants. Nasturtiums are also great companions for tomatoes as they attract caterpillars away from your tomato plants, helping to protect them from being eaten.

Lettuce and tomatoes are another great combination as the tomato leaves help shade the lettuce and keep it cool during warmer seasons (especially here in Texas).


Peppers, like many other vegetables, have their own set of companion plants that can help improve growth and overall health.

For example, apple trees are great companion plants because they provide shade and attract beneficial insects.

Additionally, herbs such as basil and oregano are known to enhance the flavor of peppers when planted nearby. On the other hand, mint should be kept away from peppers as it can inhibit their growth.

Green Beans

Green beans, also known as snap beans or string beans, are a versatile and nutritious addition to your garden. When it comes to companion planting for green beans, there are several options that can benefit their growth and overall health.

For instance, planting green beans near potatoes can help deter pests like potato beetles. Onions and leeks make great companions too, as they can help repel harmful insects while providing shade for the delicate bean plants.

Legumes such as peas and other varieties of beans also work well with green beans because they naturally fix nitrogen in the soil, enriching it for all plants involved.

Additionally, cilantro and chives can act as natural deterrents for pests that commonly affect green bean crops.


Cucumbers are versatile and easy-to-grow vegetables that can thrive alongside a variety of other plants in your garden. When it comes to cucumber companion plants, cucumbers have several beneficial partners.

For instance, planting cucumbers near peas, beans, tomatoes (at a distance), okra, melons, sweet peppers, and even other cucumbers can improve overall plant health while deterring pests.

Herbs like basil, oregano, parsley, rosemary, and thyme also make excellent companions for cucumbers.

They not only add flavor to your dishes but also attract beneficial insects that help control garden pests.

To protect your cucumber plants from squash bugs, try interplanting marigolds or nasturtiums with them. These flowers act as natural deterrents.

Growing cucumbers on a trellis in a raised bed garden is recommended for pickling varieties.

If you’re growing spinach nearby, planting cucumber vines with them offers natural shade during hot summer days.

Another great combination is using cucumber vines as living mulch around tomato plants. The sprawling leaves help conserve soil moisture while reducing weed growth around the base of the tomatoes.

Additionally, you could consider roses as ideal companions for your cucumber patch when planted alongside chives, garlic, and marigolds. 

These beautiful flowers attract pollinators and repel common garden pests.

If you want to boost cucumber production even more, consider incorporating sunflowers into your garden plan; they not only brighten up the space but also attract aphids, which serve as an additional food source for predatory insects that keep pest populations under control.

Tansy is another useful companion plant option when it comes to warding off certain pests; it produces compounds toxic to humans and animals that effectively repel destructive critters such as cucumber beetles.


Onions are a fantastic addition to any companion planting garden. Onions pair well with a wide range of plants, including cabbage family plants, corn, leeks, cilantro, chives, and legumes.

Onions provide many benefits when planted alongside tomatoes, fruit trees, brassicas, radishes, beans, and cucumbers in your garden beds or containers.

Not only do onions attract predatory insects that help control pests in the garden but they also act as trap crops for aphids which divert them away from other vegetables.

Additionally, onions are great companions for common and exotic herb plants such as basil, dill plants, chives, and garlic.


Lettuce is a versatile and popular vegetable that can benefit from companion planting with a variety of other plants. When it comes to pest control, lettuce benefits from the presence of chives, garlic, and marigolds, which are also beneficial for roses.

Lettuce can also be planted alongside potatoes, cabbage family plants, corn, leeks, cilantro, chives, and legumes as companion plants.

Additionally, cauliflower makes a great trap crop for aphids and serves as a beneficial companion plant for lettuce.

In terms of attracting pollinators and repelling pests, lettuces can be paired with pansies to attract bees and butterflies while deterring white butterflies.

Phacelia is another excellent choice as it attracts hoverflies that help control aphids on lettuce crops.

Summer Squash/Zucchini

Summer squash plants, including zucchini, are versatile and popular vegetables to grow in your garden. Not only do they produce abundant harvests, but they also benefit from companion planting.

One important aspect of summer squash companion planting is attracting beneficial insects like predatory wasps and ladybugs that control pests such as aphids, cucumber beetles, and flea beetles.

Additionally, interplanting summer squash with herbs like mint can help deter pests while enhancing the flavor of the vegetables.

Another advantage of growing summer squash with other companion plants is the efficient use of space in your garden beds.

For example, you can plant bush beans around the base of your zucchini plants to make effective use of vertical space while providing shade for the soil to suppress weeds.


Carrots are versatile vegetables that can thrive in companion planting gardens. Carrots are compatible with many plants commonly found in companion gardens, such as beans, squash, tomatoes, and cucumbers.

They also make excellent neighbors for roses and basil.

When it comes to pest control, carrots do not attract or repel pests explicitly. However, they can be used as trap crops to lure certain insects away from other plants or attract predatory insects that feed on common garden pests like aphids.

To maximize the growth and yield of your carrot crop pair them with companions that provide shade regulation and natural supports.

For example, use sunflowers as living mulch around carrot beds to help keep the soil cool and suppresses weeds by blocking sunlight.

You can also plant carrots near flowers like marigolds and lavender which are known for their insect-repellent properties keeping unwanted critters at bay.

Marigolds and lavender are also great at attracting beneficial pollinators such as bees and butterflies which increase pollination rates all around and improve overall garden health, without wasting space in your garden.


Radishes are incredible companion plants that benefit a range of vegetables and flowers in your garden. They thrive alongside beans, squash, tomatoes, fruit trees, brassicas, cucumbers, and even asparagus.

Not only do radishes enhance the growth of their companions, but they also attract insects like aphids, asparagus beetles, cabbage loopers, cabbage worms, and carrot flies to help keep pests away from your more important crops. I like to think of them as the pawns of the garden.

You may also consider planting radishes alongside cauliflower since cauliflower acts as a trap crop for aphids and attracts valuable predatory insects.

Pansies and petunias also make excellent companions for radishes; they attract bees and butterflies while repelling unwanted white butterflies as trap crops for leafhoppers, Japanese beetles, and other common pests.

Phacelia attracts hoverflies that keep aphids at bay. Chives, garlic, and marigolds have proven themselves useful companions too when planted near roses or radish patches.

Sweet Corn

Sweet corn is a popular and delicious addition to any vegetable garden. It not only adds visual appeal with its tall, green stalks and golden ears, but it also provides a sweet and savory taste that can be enjoyed fresh or cooked.

A great companion plant for sweet corn are pole beans. These climbing beans act as natural supports for the corn stalks, reducing the need for additional staking or trellising.

In return, the corn provides shade regulation for the beans during the hot summer months. The beans also fix nitrogen in the soil, which benefits both themselves and the nutrient-hungry corn plants.

Another beneficial companion plant for sweet corn is winter squash or zucchini. These sprawling plants provide ground cover that helps suppress weeds around the base of the corn stalks while keeping moisture locked in the soil.


Potatoes are a versatile and popular vegetable to grow in your garden. They are not only delicious but also have some great companion plants that can help improve their growth and keep pests away.

One of the best companion plants for potatoes is garlic, as it helps deter aphids and other pests that can damage your potato plants.

Another beneficial companion plant for potatoes is basil, which repels hornworms and adds flavor when cooked together.

Additionally, planting potatoes alongside nasturtiums can help deter pests like aphids, whiteflies, and Colorado potato beetles. These beautiful flowers are also edible and make a great addition to salads or as a garnish for your potato dishes.


Peas are not only delicious vegetables to grow in your garden but also make great companion plants. They benefit from being planted alongside sweet alyssum, lobelia, roses, lavender, and catmint.

These lovely flowers not only add beauty to your garden but attract bees and butterflies as pollinators for the peas. However, it’s important to note that peas are susceptible to aphids so you’ll want to make sure and plant them next to plants that deter aphids, something like potatoes.


Beets are a fantastic addition to any companion planting garden, offering an array of benefits for both the beets themselves and their neighboring plants.

These root vegetables help improve soil fertility by drawing nutrients from deep within the ground and making them available to surrounding plants.

Additionally, beets have natural insect-repellent properties, deterring pests such as aphids and thrips that can damage nearby crops. Their leafy greens also provide shade regulation, preventing weeds from taking over and competing with other vegetables for essential resources.

By interplanting beets with compatible companions like lettuce or onions, you can maximize space utilization in your garden while reaping all these mutual benefits.

Companion Planting With Flowers

companion planting with flowers

Companion planting with flowers can be a game-changer for your vegetable garden. By strategically placing certain flower varieties alongside your veggies, you can reduce pests, attract pollinators, and ultimately boost growth.

Flowers act as natural allies to fight against common garden problems, offering an effective and eco-friendly solution.

For example, marigolds are known to repel harmful insects such as nematodes and whiteflies, while attracting beneficial ones like ladybugs.

Calendula and cosmos are excellent choices for attracting pollinators like bees and butterflies to help ensure a bountiful harvest.

Incorporating these beautiful flowers into your garden not only adds aesthetic appeal but also serves a vital role in creating a balanced ecosystem for healthier plants.

The University of Massachusetts Amherst has conducted extensive research on companion planting with flowers, providing evidence-based strategies that have been proven successful in many gardens. 

Scientific studies show that certain flowers have specific benefits when planted alongside vegetables.

The Role of Flowers in Companion Planting

As you may have already guessed, flowers play a crucial role in companion planting by attracting pollinators and deterring problem pests. Here’s why it’s important to have at least a few flowers in your garden as well as a list of a few of my favorites.

Flowers as a Beacon for Pollinators

Flowers play a crucial role in companion planting by acting as a beacon for pollinators, such as bees and butterflies. These beautiful blooms not only enhance the aesthetic appeal of your garden but also attract beneficial insects that are essential for the pollination process.

By providing an abundant supply of nectar and pollen, flowers entice these important visitors to your garden, ensuring the successful reproduction of your vegetable plants.

Some popular flower options that serve as ideal companions include marigolds, lavender, borage, chives, cilantro, oregano, rosemary, thyme, sunflowers, zinnias, sweet alyssum, and daisies.

Flowers as Deterrent for Problem Pests

As a gardener, one of the biggest challenges I faced was dealing with pesky pests that damaged my vegetable plants. However, did you know that flowers can actually help deter these problem pests?

It’s true! Flowers such as pansies, petunias, and zinnias are not only beautiful additions to your garden, but they also attract beneficial insects that prey on common garden pests.

For example, pansies have a unique ability to attract ants that feed on aphids. By doing so, they help keep these sap-sucking insects in check and protect your vegetables from damage.

Petunias act as trap crops for leafhoppers, Japanese beetles, aphids, and even asparagus beetles.

These troublesome pests are drawn to the irresistible scent of petunias instead of attacking your precious vegetable plants.

In addition to acting as natural pest deterrents, flowers like phacelia attract hoverflies – beneficial insects known for preying on aphids. This means less worry about those tiny green bugs damaging your beloved vegetables.

And if you’re fond of roses in your garden (who isn’t?), companion planting them with chives, garlic or marigolds can help repel bothersome pests while attracting beneficial insects that will aid in pollination.

How and When to Plant Companion Flowers

Planting companion flowers in your garden can help attract pollinators, deter pests, and create a beautiful and beneficial environment for your plants. Here are some tips on how and when to plant companion flowers:

  1. Choose the right flowers: Select companion flowers that are known to attract beneficial insects and repel pests. Some popular choices include marigolds, zinnias, sunflowers, and sweet Alyssum.
  2. Start seeds indoors: Many companion flowers benefit from starting seeds indoors before transplanting them into your garden. Follow the instructions on the seed packets for optimal planting times.
  3. Direct sow outdoors: For certain companion flowers, direct sowing seeds outdoors is recommended. This is especially true for annuals like cosmos and zinnias. Wait until after the last frost date in your area before planting.
  4. Plant near vegetables: Place companion flowers near your vegetable plants to maximize their benefits. Group them together or interplant them throughout your garden beds.
  5. Consider bloom times: To ensure a continuous supply of pollinators throughout the growing season, choose a variety of companion flowers with different blooming periods. This will provide food sources for insects all year round.
  6. Provide proper care: Water your companion flowers regularly and mulch around them to retain moisture in the soil. Remove any weeds that compete with the flowers for nutrients.
  7. Monitor for pests: While companion flowers can help deter pests, it’s important to keep an eye out for any signs of infestation. If you notice an influx of pests, take appropriate action using organic pest control methods.

Growing Edible Flowers in Your Garden

If you’re a gardener looking to add color and flavor to your garden, growing edible flowers is a great way to do it. Edible flowers not only make beautiful additions to salads, desserts, and drinks, but they also bring pollinators to your garden.

Here are some edible flowers you can grow in your garden:

  • Nasturtiums: These vibrant orange and yellow blooms have a peppery flavor that adds a kick to salads and sandwiches.
  • Calendula: Also known as marigolds, calendula petals are slightly tangy and make a great addition to soups and stews.
  • Violas: These delicate flowers come in an array of colors and have a mild, sweet flavor that is perfect for garnishing dishes.
  • Pansies: Pansies have a mild, slightly minty taste and can be used to decorate cakes or float in drinks.
  • Borage: The blue star-shaped flowers of borage have a subtle cucumber-like flavor, making them ideal for cocktails or infused water.
  • Lavender: This fragrant flower is commonly used in baking, adding a floral note to cookies and cakes.
  • Chamomile: Chamomile flowers have a slight apple-like taste that is often brewed into tea for its calming properties.
  • Dandelions: Yes, those pesky weeds in your yard are actually edible! Use dandelion petals in salads or steep them for tea.
  • Roses: Rose petals have a sweet, floral taste that pairs well with chocolate or can be used as decoration on cakes.

Companion Planting With Herbs

companion planting with herbs

Growing herbs in your vegetable garden not only adds flavor to your meals but also provides numerous benefits to your plants. Herbs can act as natural insect repellents, helping to keep pests away from your beloved vegetables.

For example, planting basil alongside tomatoes deter aphids and hornworms, while garlic is known to ward off potato beetles when planted near potatoes.

Nasturtiums are excellent companion plants for kale as they repel cabbage moths and aphids.

In addition to pest control, herbs can also improve the overall health of your garden by attracting beneficial pollinators. Planting sage or oregano near carrots or cabbage can increase pollination rates and boost crop yields.

Some herbs even serve as trap crops, diverting pests away from your favorite vegetables.

Don’t forget to consider their nutrient requirements and growth habits. For instance, parsley is a great companion for tomatoes because it helps improve the flavor of their fruits while deterring harmful insects like tomato hornworms.

Strategic placement and careful consideration of herb choices create a harmonious environment that promotes healthy plant growth and minimizes pest problems naturally – all while adding delicious flavors to your meals straight from the garden!

Planning a Companion Planting Garden

Planning a companion planting garden can be an exciting and rewarding endeavor for any gardener. But, when you first do it, it can be a little overwhelming.

By carefully selecting plants that benefit each other you give your garden a much better chance to thrive. 

Here are some important steps to keep in mind when planning your companion planting garden:

  1. Assess your space: Take note of the size and layout of your garden. Consider factors like sunlight exposure, soil type, and available space for each plant.
  2. Choose compatible plants: Research which plants have positive associations with each other and select varieties that will thrive together. For example, beans provide nitrogen to the soil, benefiting corn and squash, while marigolds repel pests that could harm tomatoes.
  3. Consider timing: Take into account the growth rates and harvesting times of your chosen plants. This will help you plan out the best combinations based on their needs and lifecycles.
  4. Implement crop rotation: Rotate your crops annually to prevent nutrient depletion in the soil and reduce the risk of pest and disease buildup. For example, avoid planting members of the same plant family (e.g., tomatoes, peppers) in the same spot year after year.
  5. Group plants effectively: Arrange your garden so that companion plants are placed near each other to maximize their benefits. For instance, interplant fast-growing crops like lettuce or radishes with slower-growing ones such as tomatoes or peppers.
  6. Use natural supports: Plant taller vegetables like trellised cucumbers or pole beans next to shorter crops like lettuce or onions to provide shade and support without overcrowding.
  7. Create biodiversity: Incorporate a variety of companion plants throughout your garden to attract beneficial insects and deter pests naturally.
  8. Monitor your garden regularly: Keep an eye on how companion plants interact with each other over time. Adjust if necessary by relocating or removing certain species if they aren’t performing well together.
  9. Maintain good hygiene practices: Remove any diseased or pest-infested plants promptly to prevent the spread of infections and infestations to other companion plants.
  10. Keep a gardening journal: Document your experiences, successes, and challenges with companion planting. This will help you refine your strategies over time and improve future garden plans.

Companion Planting Mistakes to Avoid

Companion planting can be a fantastic way to enhance your vegetable garden, but it’s important to avoid some common mistakes that can hinder the success of your plants.

Here are eight companion planting mistakes to steer clear of:

  1. Overcrowding: Planting too many companions in a small space can lead to competition for nutrients, sunlight, and water. Be mindful of the recommended spacing for each plant and give them room to grow.
  2. Ignoring plant preferences: Different vegetables have different preferences when it comes to sunlight, soil pH, and moisture levels. Make sure you pair plants with similar requirements to avoid stunted growth or nutrient deficiencies.
  3. Not considering growth habits: Some plants are tall and bushy, while others are low-growing or trailing. Failure to consider growth habits can result in shading smaller plants or overcrowding taller ones. Plan your garden layout accordingly.
  4. Repeating companion pairs too closely: While certain companion pairs work well together, repeatedly planting them side by side in consecutive years can lead to nutrient imbalances and increased susceptibility to pests and diseases. Practice crop rotation between seasons.
  5. Neglecting pest-resistant varieties: Even with companion planting, it’s essential to choose varieties that are naturally resistant or tolerant to specific pests in your area. This will provide an added layer of protection against infestations.
  6. Failing to monitor plant health: Regularly inspecting your plants for signs of pests or diseases is crucial for proactive management. If issues arise, take action promptly by removing affected plants or implementing organic remedies.
  7. Disregarding flower choices: Flowers play a vital role in companion planting, attracting pollinators and repelling pests when strategically placed near vegetable crops. Don’t overlook the benefits of incorporating compatible flowers into your garden plan.
  8. Not adapting based on results: Every garden is unique, and what works well for one gardener may not yield the same results for another. Pay attention to how your companion plantings perform and be willing to adjust your approach based on what works best for you.

Crop Rotation 101: Tips for Vegetable Gardens

Crop rotation is crucial for companion planting. If you continue planting the same plants in the same areas you’ll begin to have problems like nutrient deficiencies in your soil.

Here are some tips to help you get started:

  1. Rotate your crops annually to avoid depleting the soil of essential nutrients.
  2. Plan your crop rotation based on plant families and their nutrient needs.
  3. Avoid planting the same crop in the same spot year after year to prevent pest and disease buildup.
  4. Follow a three-year rotation schedule, grouping plants into different categories each year.
  5. Legumes (beans, peas) are great for improving soil fertility and should be followed by heavy feeders like tomatoes or corn.
  6. Brassicas (cabbage, broccoli) benefit from following legumes or potatoes, as they help break up compacted soil.
  7. Root vegetables (carrots, radishes) should follow a nitrogen-fixing crop like peas or beans.
  8. Nightshades (tomatoes, peppers) should be rotated to a different location each year to reduce disease risk.
  9. Incorporate cover crops like clover or winter rye during fallow periods to improve soil structure and prevent erosion.
  10. Monitor your garden regularly for signs of pests or diseases and take appropriate action to prevent them from spreading.

Companion Planting Chart: 20 Common Vegetables

This companion planting chart provides a straightforward guide for pairing 20 common vegetables with their ideal companion plants, ensuring you get the most out of your garden space.

VegetableCompanion PlantBenefits
TomatoesBasilRepels pests and boosts growth
PeppersMarigoldsDeters nematodes and other pests
Green BeansCornProvides shade and support
CucumbersRadishesRepels cucumber beetles
OnionsCarrotsDistracts carrot flies
LettuceChivesDeters aphids
Summer Squash/ZucchiniNasturtiumDiverts pests from crops
CarrotsGarlicRepels pests like aphids
RadishesCucumbersAttracts pollinators
Sweet CornGreen BeansProvides natural support
PotatoesHorseradishEnhances plant health
PeasCarrotsBoosts root growth
BeetsOnionsRepels pests and weeds

Final Thoughts

Mastering the art of companion planting is a game-changer for any gardener, but can take some time. By strategically pairing vegetables, flowers, and herbs you can optimize growth, deter pests, and attract beneficial pollinators.

I hope by now you can see the benefits; improved yields, healthier plants, and a beautiful garden that thrives in harmony.

With the help of this comprehensive guide and scientifically-backed plant pairings, you’ll have all the tools you need to create a thriving garden oasis.

Frequently Asked Questions About Companion Plants

What Is Companion Planting?

Companion planting is a great way to maximize the growth and flavor of your plants by strategically planting certain species together that benefit each other. They can improve soil health, attract beneficial insects, deter pests, and enhance overall plant growth.

What Plants Go Well Together?

There are many plants that go well together. Some common combinations of plants in the garden include tomatoes and basil, cucumbers and radishes, carrots and onions, marigolds with most garden plants, corn, beans, and squash (Three Sisters).

What plants should you not plant beside each other?

Some plant combinations may inhibit each other’s growth or attract pests when planted together. Some examples of plant combinations that should be avoided are potatoes and tomatoes, cucumbers and potatoes, beans and onions/garlic, alliums (onions, garlic, chives) and peas/beans.

What Plants Can Grow Close Together?

Some plants can grow closely together without negatively affecting each other. Here are some combinations that make efficient use of space and can have mutually beneficial effects.

1. Lettuce and radishes: Radishes grow quickly and can be harvested before lettuce plants need space.
2. Spinach and beets: Spinach grows quickly and can be harvested early, making space for the beets to expand.
3. Tall crops and shade-tolerant plants: Planting taller crops like corn or sunflowers can provide shade for smaller, shade-tolerant plants like lettuce or spinach.

How Do I Choose The Right Companion Plants For My Vegetable Garden?

When choosing companion plants, consider factors such as compatible growing conditions, pest-repelling properties, mutual shading benefits, and complementary nutrient requirements. Researching specific plant combinations or consulting gardening resources can help guide your decision-making process.

Can Companion Planting Help With Pest Control?

Yes, certain companion plants, like marigolds and garlic, can help repel pests that are harmful to tomatoes, such as corn earworms. Feel free to read the article to get a more comprehensive list of pest-fighting plant combinations.

What Are The Best Companion Plants For Tomatoes?

Some of the best companion plants for tomatoes include eggplant, fennel, peppers, and herbs like basil and oregano. You can also add plants like marigolds, parsley, and carrots to make good companion plants for tomatoes.

Which plants should not be grown near tomatoes that might inhibit their growth?

Plants like corn and walnut trees should not be grown near tomatoes as they can inhibit the growth of tomatoes by providing too much shade and because of their allelopathic properties.

What are some tips for growing tomatoes with companion plants?

Some tips for growing tomatoes with companion plants include selecting plants that have similar sunlight, water, and soil requirements, avoiding overcrowding, and regularly monitoring for pests or diseases. Feel free to read the section in this article where I outline tomato companion planting in more detail.

Do tomatoes and potatoes make good companion plants?

No, tomatoes and potatoes are not good companion plants because they are both susceptible to the same pests and diseases, such as blight.