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Growing Together: The Complete Guide to Amaranth Companion Plants

Amaranth Companion Plants

Introduction to Amaranth Companion Planting

As gardeners, we're always searching for ways to optimize our gardens' health and productivity. One strategy that has shown great success is companion planting: the practice of growing certain plants close together to boost their growth, increase yield, enhance soil health, or repel pests. In this guide, we'll focus on amaranth plant and its best companion plants.

The benefits of companion planting

  1. Enhance plant growth: Certain plants can help each other grow by supplying necessary nutrients or creating optimal conditions for growth.
  2. Pest control: Some plants can repel harmful insects or pests, reducing the need for chemical pesticides.
  3. Increase yield: Plant companions can help one another by occupying different areas in the soil, utilizing resources more efficiently, and maximizing your garden's overall potential.
  4. Conserve space: Companion planting allows you to grow different plants in smaller garden spaces.
  5. Improve soil fertility: Some companions work to fix nutrients in the soil, benefiting each other's growth.

Understanding the amaranth plant

Amaranth Plant

Amaranth (Amaranthus spp.) is a versatile, annual plant that boasts edible leaves, stems, and seeds. It is considered a "pseudo-grain" due to its nutritional profile, similar to traditional grains like wheat or rice. Amaranth's rich nutrient content makes it an excellent choice for home gardeners seeking to grow a healthy, eco-friendly crop.

The Science of Companion Planting

The role of plant diversity in the garden

Plant diversity plays a vital role in maintaining a healthy and productive garden. A diverse ecosystem of plants has the power to:

  1. Reduce pest and disease issues: Gardens with diverse plantings are less likely to experience major pest or disease outbreaks due to a natural balance of predators and prey.
  2. Encourage beneficial organisms: A mix of plant species attracts beneficial insects, such as bees and ladybugs, which can help control pests and improve pollination rates.
  3. Improve soil health: Different plants have unique root systems, which can help break up compacted soil, support microbial life, and foster nutrient cycling.

The benefits of polyculture vs. monoculture

Polyculture is a farming approach that involves growing multiple crop species together, as opposed to monoculture, where a single type of plant dominates a field or garden. Polyculture gardens can improve resource utilization, increase biodiversity, and reduce the need for chemical inputs. Compared to monoculture, it typically provides:

  1. Increased crop productivity
  2. Enhanced soil fertility and structure
  3. Reduced pest and disease problems
  4. Greater resilience to environmental stressors

The importance of plant relationships in the soil

Plant relationships in the soil can significantly impact your garden's health and productivity. Beneficial plant interactions can create a dynamic, thriving ecosystem, while competitive relationships can hinder growth and cause nutrient deficiencies.

Certain plants, like legumes, form symbiotic relationships with nitrogen-fixing bacteria, which convert atmospheric nitrogen into a usable form for other plants, improving soil fertility. Other plants have allelopathic properties, releasing chemicals that suppress the growth of nearby plants.

Understanding these relationships is key to planning a successful amaranth companion plant garden.

Amaranth and Nitrogen Fixing Plants

Amaranth and Nitrogen Fixing Plants

The benefits of nitrogen-fixing plants

Amaranth thrives in gardens with nitrogen-rich soils. Nitrogen-fixing plants, such as legumes and some non-legume species, are excellent companions for amaranth, as they actively contribute to soil nitrogen. Benefits of nitrogen-fixing plants include:

  1. Increased soil fertility and nutrient availability
  2. Reduced need for synthetic fertilizers
  3. Support for a diverse ecosystem of plants and soil microbes


  1. Beans (Phaseolus spp.)
  2. Peas (Pisum sativum)
  3. Lentils (Lens culinaris)
  4. Chickpeas (Cicer arietinum)

Non-legume nitrogen fixers

  1. Clover (Trifolium spp.)
  2. Vetch (Vicia spp.)
  3. Lupins (Lupinus spp.)

Amaranth and legume combinations


Beans are a popular companion for amaranth due to their nitrogen-fixing ability, boosting soil fertility and supporting amaranth growth. As beans grow, they help stabilize the soil and prevent erosion, while their climbing habits can create shade, protecting amaranth from extreme heat.


As nitrogen-fixers, peas are another excellent choice for amaranth companion planting. They benefit both the amaranth and the garden's overall health by enriching soil and creating a supportive ecosystem. When planting amaranth near peas, be mindful of spacing to avoid overcrowding and competition for resources.

Amaranth and non-legume nitrogen-fixing plant combinations


Clover is a great companion to amaranth because it provides the necessary nitrogen for amaranth's growth, as well as acting as a ground cover that suppresses weeds and prevents soil erosion. When planting amaranth with clover, add a layer of mulch to further reduce weeds and maintain soil moisture.


Vetch is a useful companion plant for amaranth due to its nitrogen-fixing ability and weed-suppressing properties. Vetch can be grown as a ground cover, adding nitrogen to the soil while also reducing weed growth around your amaranth plants.

Amaranth and Pest-Repelling Plants

Amaranth and Pest Repelling Plants

The benefits of pest-repelling plants

Amaranth can benefit from the introduction of pest-repelling plants in the garden. These plants help reduce the number of insects that can damage your amaranth crop, which leads to a healthier garden overall. Benefits of pest-repelling plants include:

  1. Natural pest control, reducing reliance on chemical pesticides
  2. Improved plant health, as damaging insects are kept at bay
  3. Attraction of beneficial insects that can help control pests

Amaranth and marigold combinations

Marigolds are renowned for their ability to deter pests. When planted alongside amaranth, marigolds can help repel harmful insects like aphids, leafhoppers, and beetles. Marigolds' strong scent may also confuse pests from targeting your amaranth plants.

Amaranth and basil combinations

Basil's fragrant aroma is much loved by humans, but pests may not be as fond of it. Planting basil near amaranth can help repel flies, beetles, and other insects that might damage your amaranth plants. Additionally, basil can attract pollinators like bees and butterflies, further benefiting your garden ecosystem.

Amaranth and garlic combinations

Garlic is another powerful pest repellent, thanks to its strong smell. When grown near amaranth, garlic can help repel pests like aphids and spider mites that could threaten your plants' health. Garlic can also deter larger pests, such as rodents, keeping your garden safe from various threats.

Amaranth and chives combinations

Chives are excellent companion plants for amaranth. They emit a strong scent that deters pests like aphids and spider mites, making it harder for these insects to find and damage your amaranth plants. Chives' beautiful purple flowers can also attract pollinators to your garden.

Amaranth and Pollinator-Attracting Plants

Amaranth and Pollinator Attracting Plants

The benefits of pollinator-attracting plants

Pollinators play a crucial role in the health and productivity of your garden. By attracting pollinators, you can ensure that your plants are well-pollinated and that beneficial insects, such as ladybugs and lacewings, have a place to call home. Pollinator-attracting plants can help:

  1. Improve fruit set and crop yield
  2. Encourage beneficial insects that provide natural pest control
  3. Create beautiful, diverse, and inviting garden spaces

Amaranth and flowering herb combinations


Lavender is a beloved herb for its beautiful flowers and calming fragrance. It is also a magnet for pollinators like bees, butterflies, and hoverflies. Planting lavender alongside amaranth can help attract these beneficial insects, fostering a thriving ecosystem and supporting amaranth's growth.


Borage's beautiful blue flowers are irresistible to pollinators like bees and butterflies. In addition, borage plants have been observed to self-seed and spread easily, providing a long-lasting source of food for pollinators in your garden. Planting borage near amaranth can create a rich habitat for pollinators while also providing you with a useful herb to harvest.

Amaranth and native flower combinations


Coneflowers (Echinacea spp.) are native perennials known for their beautiful, daisy-like flowers and medicinal properties. These flowers are pollinator magnets, attracting bees, butterflies, and even hummingbirds to your garden. Planting coneflowers near your amaranth can attract more pollinators and contribute to a healthier, more diverse garden.

Wild bergamot

Also known as bee balm, wild bergamot (Monarda fistulosa) is a native perennial that boasts vibrant, tubular flowers that bees, butterflies, and hummingbirds adore. Planting wild bergamot near your amaranth can help draw in a variety of pollinators while also adding an eye-catching element to your garden.

Amaranth and Ground Cover Plants

Amaranth and Ground Cover Plants

The benefits of ground cover plants

Ground cover plants are crucial in preventing soil erosion, retaining moisture, and suppressing weed growth, which can all benefit your amaranth plants. By planting ground cover companions, you can create a more sustainable and resilient garden.

Amaranth and creeping thyme combinations

Creeping thyme (Thymus serpyllum) is a low-growing, drought-tolerant herb that forms a dense mat of foliage, making it an excellent ground cover. When planted near amaranth, creeping thyme helps suppress weeds, conserve soil moisture, and provide a fragrant and beautiful backdrop for your garden.

Amaranth and chamomile combinations

Chamomile, particularly the low-growing variety (Matricaria recutita), is another excellent candidate for ground cover near your amaranth plants. Chamomile forms a lush carpet of green, delicate foliage that can help suppress weeds and reduce soil erosion, while its daisy-like flowers draw in pollinators.

Amaranth and Tall Companion Plants

Amaranth and Tall Companion Plants

The benefits of tall companion plants

Tall companion plants can offer several advantages when paired with amaranth. They can provide shade, protect against wind, and act as natural trellises for climbing plants. Moreover, these towering companions can add a striking aesthetic element to your garden.

Amaranth and sunflower combinations

Sunflowers (Helianthus spp.) feature bright yellow blooms atop tall, sturdy stems. These tall companions can provide shade for amaranth, protecting it from excessive heat during hot summer months. Sunflowers also attract pollinators like bees and butterflies, further benefitting your garden.

Amaranth and corn combinations

Corn (Zea mays) is another tall plant that can be grown alongside amaranth plants. Much like sunflowers, corn can provide shade for your amaranth, protecting it from the scorching sun. An added benefit of growing corn near amaranth is that the amaranth plants can serve as an understory, suppressing weeds that might compete with corn for resources.

Amaranth and Fruit or Vegetable Combinations

Amaranth and Fruit or Vegetable Combinations

Amaranth and tomato combinations

Tomatoes (Solanum lycopersicum) are a staple in many gardens, and they can be grown alongside amaranth for mutual benefit. Amaranth can provide a living mulch around tomato plants, suppressing weeds and maintaining soil moisture. In return, tomatoes can offer shade and support for amaranth, as they grow taller, creating a supportive environment for both plants to thrive.

Amaranth and squash combinations

Squash (Cucurbita spp.) plants can sprawl across the ground, creating a dense foliage that serves as a living mulch. When grown near amaranth, squash can help retain soil moisture, suppress weeds, and even deter pests like cucumber beetles. In return, the amaranth provides the squash plants with some shade and support by growing tall and robust.

Amaranth and cucumber combinations

Cucumbers (Cucumis sativus) are refreshingly crisp and productive garden plants that can also benefit amaranth. Similar to squash, cucumber vines can sprawl to create living mulch around amaranth plants, conserving moisture and suppressing weeds. Cucumber vines can also climb amaranth plants, providing structural support and making use of vertical space in the garden.

Planning Your Amaranth Companion Plant Garden

Planning Your Amaranth Companion Plant Garden

Assessing your garden space

Before diving into planting your amaranth and its companions, take the time to evaluate your garden's size, sunlight exposure, and soil quality. This will inform the best layout, plant pairings, and ideal planting distances to optimize your garden's potential.

Choosing the right plant combinations

Each amaranth companion option has its own benefits, from soil enrichment to pest deterrence. Consider your garden's specific needs when deciding which companions are best suited for your amaranth plants.

Proper planting techniques for companion plants

Ensure you're giving your plants the best chance at success by using proper planting techniques for each companion. This includes following recommendations for planting depth, spacing, and watering to help your plants grow strong and healthy.

Caring for Your Amaranth Companion Plant Garden

Caring for Your Amaranth Companion Plant Garden

Watering and fertilizing techniques

While amaranth is relatively drought-tolerant, it will fruit and grow best with consistent watering. Be sure to follow the specific watering requirements of your companion plants, too. Supplement with organic fertilizers or compost when necessary, keeping each plant's unique needs in mind.

Pest management strategies

Reduce the risk of pest infestation in your garden by incorporating pest-repelling plants and biodiversity. Promptly address any pest issues by removing affected foliage and using natural, organic controls when necessary.

Harvesting and storing amaranth and companion plants

Keep an eye on your amaranth plants for signs of maturity, such as the leaves' bright colors and the seeds' dark hue. Harvest leaves gently to avoid damaging the plant and collect seeds by cutting the seed heads and shaking them into a bag or container. Dry and store the amaranth seeds in a cool, dry place for future use or cooking. Harvest companion plants according to their specific guidelines.


Amaranth companion planting offers a wealth of benefits, from soil health enhancement to pest control. By understanding the various plant combinations and their unique advantages, you can create a diverse, productive garden that allows your amaranth plants to flourish. Happy gardening!

Frequently Asked Questions (FAQs)

Can I grow amaranth in a small garden or container?

Yes, amaranth can be grown in small gardens or containers. When planting amaranth in a limited space, choose dwarf varieties or thin regular varieties to a manageable size. Ensure the container is deep enough to accommodate amaranth's long taproot and has proper drainage to keep the plant healthy.

How do I know which companion plants are best for my climate?

Research which companion plants are well-suited to your specific growing zone and climate conditions. Local plant nurseries and gardening websites can provide valuable information about the best companion plants for your area. Pay close attention to factors such as sun exposure, temperature, and precipitation levels when choosing compatible companion plants for your amaranth garden.

Can I mix amaranth with other grains or grasses in my garden?

Amaranth can be mixed with other grains or grasses in your garden, but be mindful of potential competition for resources like light, water, and nutrients. Plant amaranth alongside plants with similar growth patterns and maintenance requirements for the best results.

How do I save seeds from my amaranth and companion plants for future planting?

Saving seeds from your amaranth plants is relatively easy. When the seed heads mature and turn a dark color, cut them off and shake the seeds into a bag or container. Allow the seeds to dry in a well-ventilated area for a few days before storing them in a cool, dry place.

For companion plants, make sure to consult specific guidelines on seed saving for each plant variety. Some plants may require specific techniques, such as fermenting tomato seeds or drying bean seeds thoroughly before storage.

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