10 Best Arugula Companion Plants (And Which Ones to Avoid) - Agrolearner.com
Arugula Companion Plants

10 Best Arugula Companion Plants (And Which Ones to Avoid)

Companion planting is a time-honored gardening technique that enhances plant growth, deters pests, and optimizes space. Arugula, a peppery and nutritious leafy green, benefits significantly from the right companions.

In this comprehensive guide, we’ll explore the 10 best companion plants for arugula and discuss which plants to avoid.

Understanding Companion Planting

Companion planting involves growing different plants together to create a mutually beneficial environment. This practice can lead to:

  • Improved growth and yields
  • Enhanced flavor
  • Natural pest control
  • Better use of garden space

Arugula, known for its fast-growing nature and spicy flavor, thrives when paired with plants that complement its growth requirements and deter pests. Here are the top companion plants for arugula:

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1. Radishes

Why They’re Great Companions

Radishes are excellent companions for arugula because they grow quickly and help break up the soil. This root vegetable can also attract pests away from arugula.


  • Soil Aeration: Radishes loosen the soil, improving root development for arugula.
  • Pest Diversion: Radishes can lure pests like flea beetles away from arugula.

2. Lettuce

Why They’re Great Companions

Lettuce and arugula have similar growing requirements and can be planted together to maximize space and efficiency in the garden.


  • Shading: Lettuce can provide shade for arugula, helping to prevent bolting in hot weather.
  • Pest Management: Mixed plantings can confuse pests, reducing the likelihood of infestations.

3. Carrots

Why They’re Great Companions

Carrots grow well with arugula because they occupy different soil levels, minimizing competition for nutrients and space.


  • Soil Companionship: Carrots grow deep while arugula remains shallow, making efficient use of soil.
  • Pest Reduction: Carrots can help repel certain pests that might otherwise target arugula.

4. Peas

Why They’re Great Companions

Peas are nitrogen-fixing plants, which means they enrich the soil with nitrogen, benefiting leafy greens like arugula.


  • Nitrogen Enrichment: Peas enhance soil fertility, promoting healthy arugula growth.
  • Support Structures: Peas can be grown on trellises, saving ground space for arugula.

5. Spinach

Why They’re Great Companions

Spinach and arugula have similar growing conditions and can be planted together for a bountiful harvest of leafy greens.


  • Shade and Shelter: Spinach can help shield arugula from intense sun, reducing the risk of bolting.
  • Nutrient Sharing: Both plants benefit from the same soil conditions, ensuring robust growth.
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6. Beans

Why They’re Great Companions

Beans, like peas, are excellent nitrogen-fixers and can improve the soil quality for arugula.


  • Soil Fertility: Beans enhance soil nitrogen levels, benefiting arugula.
  • Space Optimization: Pole beans can grow vertically, saving space for arugula.

7. Chervil

Why They’re Great Companions

Chervil is a herb that enhances the flavor of arugula and helps deter pests.


  • Pest Deterrent: Chervil repels aphids and slugs, common arugula pests.
  • Flavor Enhancement: Growing chervil nearby can improve the taste of arugula.

8. Cilantro

Why They’re Great Companions

Cilantro pairs well with arugula as both plants enjoy similar growing conditions and can benefit each other in the garden.


  • Pest Repellent: Cilantro deters pests like spider mites and aphids.
  • Growth Stimulation: Cilantro can improve arugula’s growth through its root exudates.

9. Nasturtiums

Why They’re Great Companions

Nasturtiums are companion planting powerhouses, attracting beneficial insects and repelling pests that target arugula.


  • Pest Control: Nasturtiums attract aphids away from arugula and deter other pests.
  • Attracting Beneficial Insects: They draw pollinators and predators that help control pest populations.

10. Marigolds

Why They’re Great Companions

Marigolds are known for their pest-repellent properties and can protect arugula from various garden pests.


  • Pest Repellent: Marigolds repel nematodes, aphids, and other pests.
  • Soil Health: Their roots exude compounds that can improve soil health and deter harmful nematodes.

Plants to Avoid

While many plants can positively influence arugula growth, some should be avoided due to incompatible growing conditions or the potential to attract pests. Here are a few plants to keep away from your arugula:

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1. Brassicas (Broccoli, Cabbage, Cauliflower)

Why to Avoid

Brassicas are susceptible to similar pests and diseases as arugula, which can lead to increased pest pressure and competition for nutrients.

2. Fennel

Why to Avoid

Fennel secretes a substance that inhibits the growth of many plants, including arugula.

3. Potatoes

Why to Avoid

Potatoes and arugula can compete for nutrients and space, and potatoes can attract pests like aphids and beetles that also target arugula.

4. Tomatoes

Why to Avoid

Tomatoes require different soil conditions and can overshadow arugula, limiting its sunlight exposure.

5. Strawberries

Why to Avoid

Strawberries and arugula compete for the same nutrients and space, and strawberries can harbor pests that might affect arugula.


Companion planting with arugula can significantly enhance your garden’s productivity and health. By choosing the right companions, you can improve soil conditions, deter pests, and create a thriving garden ecosystem.

Avoid plants that compete for the same resources or attract harmful pests. With thoughtful planning, your arugula and its companions will flourish, providing you with a bountiful and healthy harvest.


1. Can I plant arugula with herbs?

Yes, many herbs like cilantro, chervil, and parsley make excellent companions for arugula, helping to repel pests and improve growth.

2. How close can I plant arugula to its companions?

Arugula can be planted fairly close to its companions, with about 6-12 inches between plants, depending on the companion’s size and growth habit.

3. What are the best conditions for growing arugula?

Arugula thrives in well-drained soil with a pH of 6.0 to 7.0, in full sun to partial shade. It prefers cool weather and can be planted in early spring or fall.

4. Can arugula grow in containers with companions?

Yes, arugula can be grown in containers alongside companion plants like lettuce, radishes, and herbs, provided the container is large enough and has good drainage.

5. How do I prevent pests on arugula?

Companion planting with pest-repellent plants like marigolds, nasturtiums, and chervil can help deter pests. Regular inspection and proper garden hygiene also help prevent pest infestations.

Author: Adewebs

David is a seasoned farmer with over 8years experience on the field and teaching. He has about 20 acres of Palm farm, 10acres of livestock farm where he spent most of his time tending and caring for his farm. He offer profffesional services and consultancy services to clients who are interested in venturing into farming.

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