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The Ultimate Guide to Rhubarb Companion Plants

rhubarb companion plants

Rhubarb Companion Plants: An

Rhubarb is a tasty and nutritious vegetable that is often used in pies, jams, and sauces. However, many gardeners struggle with growing rhubarb because it requires specific growing conditions and soil composition. One way to enhance the growth and health of your rhubarb plant is by planting it alongside compatible companion plants.

In this guide, we'll explore the best rhubarb companion plants and how they can benefit your garden. We'll also discuss some tips for planting and caring for your rhubarb plant, as well as some common mistakes to avoid.

The Best Rhubarb Companion Plants

So, what are the best companion plants for rhubarb? Here are some of our top picks:

1. Strawberries

Strawberries are an excellent choice to plant alongside rhubarb because they have similar soil and water requirements. Additionally, the two plants complement each other in both taste and appearance. The strawberries can also provide natural mulch around the base of the rhubarb plant, which can help retain moisture in the soil and keep weeds at bay.

2. Beans

Beans are another popular choice for companion planting with rhubarb. They are nitrogen-fixing plants, meaning they absorb nitrogen from the air and convert it into a form that can be taken up by other plants. This helps to improve the overall health and vigor of the rhubarb plant. Additionally, beans can provide shade for the rhubarb during hot summer months, which can help prevent the soil from drying out too quickly.

3. Garlic

Garlic is a natural pest repellent, making it an excellent choice to plant alongside rhubarb. The pungent odor of garlic can deter pests such as aphids, spider mites, and Japanese beetles from attacking the rhubarb plant. Additionally, garlic can help improve the soil quality by adding organic matter and nutrients.

4. Onions

Onions are another member of the allium family, like garlic, and have similar pest-repelling properties. They also help to suppress weeds and prevent the growth of harmful fungi and bacteria in the soil. When planted alongside rhubarb, onions can help to improve the overall health and yield of both plants.

Tips for Planting and Caring for Rhubarb and Companion Plants

Now that you know which plants pair well with rhubarb, here are some tips for planting and caring for them:

1. Choose the Right Location

Rhubarb prefers a cool and shady location, away from direct sunlight. It also requires well-draining soil with a pH between 6.0 and 6.8. Make sure to choose a location that meets these criteria and provides enough space for companion plants to grow.

2. Proper Spacing

When planting companion plants with rhubarb, make sure to space them at least 18 inches apart. This will give each plant enough room to grow and develop without competing for nutrients or water.

3. Regular Watering

Rhubarb and its companion plants require regular watering, especially during hot and dry weather. Make sure to water deeply and consistently, but avoid overwatering, as this can lead to root rot and other issues.

4. Mulching

Mulching around the base of the rhubarb and companion plants can help retain moisture in the soil, prevent weed growth, and improve soil quality. Use organic mulch such as straw or leaves, and apply a 2-3 inch layer around each plant.

Common Mistakes to Avoid

While companion planting can be beneficial for your garden, there are some common mistakes to avoid. Here are a few:

1. Choosing Incompatible Plants

Not all plants make good companions for rhubarb. Make sure to research which plants are compatible before planting anything together. Some plants may compete for nutrients, attract pests, or inhibit growth.

2. Overcrowding

Planting too many companion plants around rhubarb can lead to overcrowding and competition for resources. Make sure to space plants adequately and choose only a few that complement each other.

3. Neglecting Watering and Mulching

Rhubarb and its companion plants require regular watering and mulching to thrive. Neglecting these tasks can lead to poor growth, low yields, and pest infestations.


1. Can I plant rhubarb with tomatoes?

No, rhubarb and tomatoes are not compatible companion plants. They have different soil and water requirements and can attract similar pests, leading to poor growth and yield.

2. What herbs go well with rhubarb?

Herbs such as thyme, rosemary, and sage pair well with rhubarb and can help repel pests and improve flavor.

3. How often should I fertilize my rhubarb and companion plants?

Rhubarb and companion plants do not require frequent fertilization. Apply a balanced fertilizer once or twice per year, following the manufacturer's instructions.

4. Can I plant rhubarb in a container?

Yes, rhubarb can be grown in containers as long as they are large enough and provide proper drainage. Make sure to choose a location that receives partial shade and provides enough space for companion plants to grow.

5. What should I do with rhubarb leaves?

Rhubarb leaves contain oxalic acid, which can be toxic if ingested. Make sure to remove the leaves and dispose of them properly, away from children and pets.

In planting rhubarb with compatible companion plants can help improve its growth, yield, and overall health. Strawberries, beans, garlic, and onions are some of the best choices for companion planting with rhubarb. Remember to choose the right location, space plants adequately, water regularly, and avoid common mistakes such as overcrowding or neglecting watering and mulching. By following these tips and guidelines, you can enjoy a bountiful harvest of delicious and nutritious rhubarb and companion plants.

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