November 3


The Ultimate Guide to Garlic Companion Planting: Discover the Ideal Plants to Grow Alongside Garlic and Which Ones to Avoid

Garlic companion planting – the best plants to grow alongside it plus what to avoid

When it comes to home gardening, organic practices are becoming the trend. Gardeners are looking for ways to improve their crop’s growth and increase its yield, all while reducing the use of synthetic chemicals. One of the best organic gardening practices is companion planting, and garlic is a prime candidate for this technique.

Growing garlic alongside other plants can provide numerous benefits. For starters, garlic has natural antifungal properties, which can help protect its companion plants from fungal infections. Additionally, garlic acts as a natural insect repellent, deterring pests such as aphids and spider mites.

The best plants to grow around garlic are those that will complement its growth and deter common pests. Herbs like basil, chives, and thyme are great choices, as they not only enhance the flavor of garlic but also repel pests that could harm it. Marigolds and petunias are also excellent choices, as their strong scent can keep pests at bay.

On the other hand, there are some plants that should be avoided when planting garlic. Alliums, such as onions and shallots, can compete with garlic for space and nutrients in the soil. Additionally, legumes like beans and peas may hinder the growth of garlic due to their nitrogen-fixing abilities.

For best results, it’s recommended to plant garlic in well-drained soil enriched with aged manures or well-rotted compost. Plant the garlic cloves in the fall, around mid to late October, to take advantage of the cold winter months. Garlic needs a period of cold to develop properly, and this can result in larger bulbs with improved flavor when harvested in the summer.

While some claims about garlic companion planting may be speculative, the benefits and advantages of growing garlic alongside compatible plants are well-documented and supported by expert advice. So, if you’re looking to boost the health of your garden and improve your garlic crop, consider experimenting with companion planting techniques.

Benefits of garlic companion planting

Garlic companion planting is a popular practice among gardeners and farmers because of its numerous benefits. When garlic is grown alongside certain plants, it can provide several advantages that can help improve the overall health and productivity of your garden. Here are some of the benefits of garlic companion planting:

1. Natural pest control

Garlic has natural properties that repel a wide range of pests including aphids, mosquitoes, and even rabbits. By planting garlic alongside your other crops, you can naturally deter these pests and protect your plants from damage, reducing the need for chemical pesticides.

2. Disease prevention

Garlic has strong antifungal and antimicrobial properties, making it an excellent companion plant for preventing diseases in your garden. By planting garlic near susceptible crops, you can help protect them from common fungal infections such as powdery mildew and black spot.

3. Improved growth and flavor

Garlic releases certain compounds into the soil that stimulate the growth and development of neighboring plants. This can result in stronger, healthier growth and can even enhance the flavor of fruits and vegetables grown nearby.

4. Weed suppression

4. Weed suppression

Garlic has allelopathic properties, which means it releases chemicals that inhibit the germination and growth of weeds. Planting garlic in your garden can help suppress weed growth and reduce the need for manual weeding.

5. Companion plants

5. Companion plants

There are several plants that make excellent companions for garlic. Some popular options include tomatoes, peppers, cucumbers, lettuce, and roses. These plants not only benefit from garlic’s pest-repelling properties but can also help deter pests that can harm the garlic plant itself.

6. Maximizing limited space

Companion planting can be particularly beneficial for small gardens or containers. By strategically planting garlic alongside other crops, you can make the most of limited space and increase overall productivity.

7. Organic gardening

Garlic companion planting aligns with organic gardening principles as it reduces the need for synthetic pesticides and promotes natural pest control methods. It also enhances the overall biodiversity of your garden, creating a healthier and more sustainable ecosystem.

By taking advantage of the benefits of garlic companion planting, you can create a thriving and productive garden. Whether you’re an experienced gardener or a beginner, incorporating garlic with other plants can be a valuable technique to enhance the health and success of your plants.

Top crops for companion planting with garlic

When it comes to companion planting, garlic is a versatile and valuable plant that can benefit many other crops in your garden. Not only does it have a strong aroma that can deter pests, but it also takes up little space and thrives in a variety of growing conditions. If you’re a new gardener or an expert looking for some advice, then consider planting these crops alongside your garlic to improve their growth and health.

1. Onions

Onions are close relatives of garlic and make excellent companions in the garden. Both plants have similar needs and can help each other thrive. When planted together, onions can help deter pests like aphids and carrot flies, while garlic can protect onions from fungal infections.

2. Flowers

Flowering plants like marigolds, petunias, and roses can offer many benefits when planted alongside garlic. Their vibrant blooms attract pollinators, which can improve the overall health of your garden. Additionally, flowers can help repel pests and add beauty to your landscape.

3. Herbs

Many herbs, like thyme, basil, and mint, work well when planted with garlic. These companion plants can help deter pests, improve soil health, and enhance the flavor of both herbs and garlic. Plus, growing herbs alongside garlic creates a convenient and accessible herb garden for your cooking needs.

4. Fruits and vegetables

Plants like tomatoes, peppers, and cabbage can benefit from being grown alongside garlic. Garlic can protect these crops from common pests like aphids and caterpillars. Additionally, the strong smell of garlic can confuse or deter pests, reducing the need for pesticides.

5. Legumes

5. Legumes

Legumes, such as beans, peas, and lentils, make great companions for garlic. These crops fix nitrogen in the soil, which can benefit the growth of garlic. In return, garlic can help deter pests that commonly affect legumes, like aphids and beetles.

6. Manures and compost

6. Manures and compost

While not crops themselves, well-rotted manures and compost can greatly improve the health and growth of garlic. These organic matter additions enrich the soil with nutrients and increase its water-holding capacity. Just make sure to apply manures and compost in the fall before planting your garlic bulbs.

Remember, companion planting is not an exact science, and results may vary depending on your specific site and growing conditions. It’s always best to consult additional information or seek advice from gardening experts to determine the best companion crops for your garlic.

Garlic companion plants to avoid

When it comes to garlic companion planting, there are certain plants that you should avoid planting near your garlic crop. These plants can compete with garlic for nutrients and space, or they may even release chemicals that can inhibit garlic growth.

Here are some plants that are not recommended to be grown alongside garlic:

  • Onions: While some gardeners claim that onions and garlic make good companions, it is best to avoid planting them together. Both onions and garlic belong to the same family and have similar needs. Planted together, they may compete for nutrients and inhibit each other’s growth.
  • Beans: Beans have a tendency to grow tall and can shade the garlic, making it difficult for the garlic bulbs to develop properly. Additionally, beans and garlic have different nutrient requirements, so planting them together may result in one or both crops not receiving adequate nutrients.
  • Cabbages: Cabbages and other brassicas are also not ideal companion plants for garlic. They have similar nutrient requirements and may compete for resources. Additionally, cabbage’s extensive root system can inhibit garlic growth and make it challenging for bulbs to form.
  • Peas and other legumes: Like beans, peas and other legumes can compete with garlic for nutrients and space. Additionally, legumes have the ability to fix nitrogen in the soil, and this nitrogen fixation can inhibit garlic bulb development.

It is worth noting that there is some controversy and conflicting information when it comes to companion planting. Some gardeners have reported success with planting some of these crops near garlic, while others have not. It is always best to consult with an expert or experienced gardener for advice specific to your growing conditions and goals.

If you do choose to plant any of these crops near garlic, it is important to monitor their growth and the health of your garlic crop. If you notice any negative effects, such as stunted growth or fungal infections, it may be best to separate them in the future.



1. Can I plant garlic with other flowers?

Yes, garlic can be planted with common flowers like petunias. The flowers and garlic can work well together as companion plants.

2. Will garlic thrive if planted alongside other crops?

Yes, garlic can thrive when planted alongside other crops. It has a reputation for deterring pests and diseases that may affect neighboring plants.

3. Is there a specific time of the year to plant garlic?

The best time to plant garlic is in the fall, typically around October or November. Garlic needs a period of cold weather to develop properly.

4. Should I use aged manure to improve the growth of garlic?

Using well-rotted organic manures like aged cow or horse manure can be beneficial for garlic growth. It helps improve the soil’s fertility and provides essential nutrients.

5. What are the advantages of planting garlic with other plants?

Planting garlic with other plants can have several benefits. It can improve the overall health of the garden, deter pests, increase yields, and enhance the flavor of neighboring crops.

6. Can garlic compete with other plants for space and nutrients?

Growing garlic alongside other plants should be planned carefully to ensure they have enough space and resources. Garlic has relatively shallow roots and can tolerate some competition for nutrients.

7. Can garlic be grown around roses to deter fungal infections?

Yes, garlic is known to have antifungal properties and can help deter fungal infections in the garden, including those that affect roses.

8. Is there any scientific evidence to support the claims about garlic’s benefits in companion planting?

While there is limited scientific research on garlic companion planting, many gardeners and experts swear by its effectiveness. The information available is largely anecdotal, based on the experiences of experienced gardeners.

9. Where can I find more information about garlic companion planting?

For more advice and information on garlic companion planting, you can explore gardening books, online resources, and gardening forums. Websites like Amazon often have books specifically dedicated to companion planting.

What herbs can I plant with garlic

When it comes to companion planting, garlic is known to be a versatile plant. It can be grown alongside many different crops, being beneficial to their growth and health. In particular, there are several herbs that work well when planted with garlic.

One herb that is commonly planted with garlic is chamomile. Chamomile helps to improve the flavor of garlic and also acts as a natural deterrent for pests. Another herb that works well with garlic is dill. Dill can help to increase the yield of garlic and also helps to repel harmful insects.

Other herbs that can be planted alongside garlic include thyme, sage, and rosemary. Thyme acts as a natural fungicide, helping to prevent fungal infections in garlic plants. Sage acts as a natural insect repellent, deterring pests from damaging the garlic crop. Rosemary, on the other hand, improves the overall flavor of garlic and also helps to deter certain insects.

When planting herbs with garlic, it is important to consider the specific needs of each herb. Herbs like thyme, rosemary, and sage prefer well-drained soil and plenty of sunlight. They can be planted directly alongside garlic in the garden, or in separate containers placed nearby. Dill and chamomile, on the other hand, prefer rich, well-rotted soil and can be grown directly with garlic.

It is also worth noting that some herbs may compete with garlic for nutrients and space. In such cases, it may be wise to plant them further away to avoid any potential issues. Additionally, it is important to keep in mind that garlic cloves should be planted in the fall, while herbs can be planted at different times depending on their specific growing requirements.

In conclusion, planting herbs alongside garlic can provide numerous benefits. They can improve the flavor of garlic, repel harmful insects, and help prevent fungal infections. By choosing the right herbs and providing them with the appropriate growing conditions, gardeners can take advantage of the positive effects of companion planting on their garlic crops.

What should I add to my soil before planting garlic

Before planting garlic in the fall, it is important to prepare the soil to provide the best conditions for its growth. Adding certain amendments to the soil can benefit garlic plants and help them thrive.

Aged manures or well-rotted organic matter are commonly recommended for improving the soil before planting garlic. These organic materials provide essential nutrients and improve the soil structure, which can promote healthy root development and overall growth of the garlic bulbs.

Garden expert Cristian from Amazon Gardening advises gardeners to work the manures or organic matter into the soil several weeks before planting garlic. This allows time for the amendments to break down and integrate with the existing soil, giving the garlic bulbs the nutrients they need to grow.

In addition to aged manures and organic matter, garlic also benefits from the presence of certain companion plants. Some gardeners claim that planting garlic with herbs like rosemary, thyme, and chamomile can help deter pests and fungi that may harm the garlic plants. These herbs also add a pleasant aroma to the garden.

Another beneficial companion plant for garlic is the rose. Roses and garlic are said to complement each other by deterring pests that may damage both plants. For example, the strong scent of garlic is believed to repel aphids, which are common pests of roses. Likewise, roses can provide some shade to the garlic plants during hot summer months.

While there are many claims and trends about companion planting, it is important to consider the specific needs of garlic when choosing plants to grow alongside it. For example, garlic does not compete well with crops that have shallow roots or that require a lot of space, as this can hinder the growth of the garlic bulbs. Plants like petunias, which have shallow roots and require ample space to spread, may not be the best companions for garlic.

In summary, adding aged manures or well-rotted organic matter to the soil before planting garlic can provide essential nutrients and improve soil structure. Companion plants like herbs and roses can also be beneficial by deterring pests and providing shade. However, it is important to choose companion plants that do not compete with garlic for resources or space. By considering these factors, gardeners can create an ideal environment for their garlic plants to thrive.

What is the best cover crop for garlic

When it comes to garlic companion planting, cover crops can be a beneficial addition to your garden. A cover crop is a plant that is grown to improve the soil quality and provide various benefits to the main crop. In the case of garlic, one of the best cover crops is aged well-rotted compost or organic matter.

According to expert gardener Cristian, adding aged well-rotted compost or organic matter to the soil where garlic is to be planted helps improve its growth and overall health. This is because compost and organic matter are rich in nutrients that garlic needs for its development. Additionally, they also improve soil structure and drainage, which is essential for garlic bulbs to thrive.

Aged well-rotted compost and organic matter also have the advantage of deterring common diseases and fungal infections that garlic may be susceptible to. They help create a healthy environment for garlic plants, reducing the risk of diseases like white rot and bulb mites that can hinder garlic growth and yield.

Aside from aged well-rotted compost, other cover crops that can work well with garlic include certain herbs like basil, dill, and mint. These herbs not only improve the soil quality but also have the added benefit of deterring pests that may harm garlic plants. Flowers like petunias can also be planted alongside garlic to attract beneficial insects and provide a splash of color to the garden.

When it comes to cover crops for garlic, it is best to avoid planting plants from the same family. Garlic and other allium plants can stunt each other’s growth when grown in close proximity. Plants like onions, leeks, and chives should be kept separate from garlic to prevent competition for nutrients and space.

Overall, incorporating cover crops like aged well-rotted compost and beneficial herbs into your garlic planting site can greatly improve the growth and yield of your garlic bulbs. The addition of organic matter not only provides essential nutrients but also helps create a healthy environment for the garlic plants to thrive. So, the next time you plant garlic, consider adding some cover crops to give your garlic a boost!


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