How to Grow Erigeron Canadensis?

Last Updated: 19.10.2023

Erigeron Canadensis, also popular as the Horse weed, can be a wonderful addition to any small or large garden. Here are all the details!

Erigeron Canadensis

Whether you are a seasoned gardener or a beginner, there is always something new to learn and discover. In this blog, we will explore the fascinating world of Erigeron Canadensis and delve into the secrets of how to grow this stunning plant.

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About Erigeron Canadensis

Erigeron canadensis is a flowering plant native to North America. It is a member of the Asteraceae family and can grow up to six feet tall. The plant produces small, white or pinkish flowers that bloom from late summer to early fall. Erigeron canadensis has been used in traditional medicine as a treatment for respiratory issues, such as coughs and bronchitis, as well as digestive issues, such as diarrhea and dysentery. It has also been used as a natural insecticide and as a natural dye for textiles.

Despite its medicinal and practical uses, Erigeron canadensis is considered an invasive species in many areas outside of its native habitat. Its ability to quickly spread and outcompete native plants can have negative impacts on local ecosystems. Therefore, it is important to be cautious when using and planting this species.

Common Names: Butterweed, Canadian Horseweed, Colstail, Horseweed, Horse Weed, Marestail and Canada fleabane

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How to Propagate Erigeron Canadensis?


Erigeron canadensis is a perennial plant that can be propagated through various methods. 

Seed Propagation:

  • Collect mature seeds from the plant during late summer or early fall.
  • Prepare a seedbed by loosening the soil and removing any weeds or debris.
  • Sow the seeds on the surface of the soil and lightly press them into the soil. Do not cover the seeds with a thick layer of soil, as they require light to germinate.
  • Water the seedbed gently to keep the soil moist but not waterlogged.
  • Germination typically takes around 2-4 weeks. Once the seedlings have developed a few true leaves, thin them out to provide adequate space for growth.


  • In early spring or fall, dig up an established plant carefully.
  • Gently separate the root ball into smaller clumps, ensuring that each division has a good amount of roots and shoots.
  • Replant the divisions immediately into prepared soil or containers.
  • Water the newly divided plants thoroughly and keep the soil moist until they establish themselves.

Stem Cuttings:

  • Take 4-6 inch (10-15 cm) stem cuttings from healthy plant during the active growing season.
  • Remove the lower leaves from the stem, leaving only a few leaves at the top.
  • Dip the cut end of the stem into a rooting hormone powder or gel to encourage root formation (optional).
  • Plant the cuttings into a well-draining potting mix or a mix of sand and peat moss.
  • Keep the soil consistently moist and provide indirect light.
  • After a few weeks, the cuttings should develop roots. You can gently tug on the stem to check for resistance, indicating root growth.
  • Once the roots are well-established, you can transplant the cuttings into individual pots or the garden.

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Requirements to Grow Erigeron Canadensis

Erigeron Canadensis 2


Erigeron canadensis prefers full sun to partial shade. Additionally, it thrives in bright sunlight and requires at least 6 hours of direct sunlight each day. Therefore, choose a planting location that receives ample sunlight.


The plant prefers well-draining soil that is rich in organic matter. Erigeron canadensis can tolerate a wide range of soil types, including sandy, loamy, and clay soils. However, it grows best in soil with a pH range of 5.5 to 7.5. Prioritize soil with good drainage to prevent waterlogging.


Erigeron canadensis has moderate water needs. Water the plant regularly, allowing the top few inches of soil to dry out between watering. Avoid overwatering, as excessive moisture can lead to root rot.

During the hotter months, when rainfall is insufficient, you may need to provide supplemental watering to keep the soil evenly moist.

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Erigeron canadensis is a hardy plant that can tolerate a range of temperatures. Additionally, it typically grows in temperate regions but can adapt to warmer climates. In India, it can be grown in various regions. It is generally frost-tolerant and can withstand mild winter conditions.

However, extreme cold or prolonged freezing temperatures can harm the plant. Erigeron canadensis thrives in temperatures ranging from 15°C to 34°C.

Erigeron canadensis Care



Erigeron canadensis has moderate fertilizer requirements. Prioritize incorporating well-rotted compost or aged manure into the soil before planting to enhance fertility.

Apply a balanced slow-release fertilizer with an equal NPK ratio, such as 10-10-10, in early spring or late winter as new growth emerges. Follow the package instructions for dosage and frequency.

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Pruning Erigeron canadensis is beneficial for its growth and appearance. Regular deadheading, removing spent flowers, encourages continuous blooming.

In late winter or early spring, prune the plant back to about 6 inches (15 cm) above the ground to promote fresh growth and maintain its shape. Additionally, thin out crowded or dense areas of the plant to improve air circulation and minimize the risk of diseases. Pruning also helps control the size and prevent self-seeding.

Pest and Diseases

When growing Erigeron canadensis, it’s important to manage common pests and diseases. Monitor the plants regularly for aphids and remove them manually or use insecticidal soap or neem oil as a treatment. Create physical barriers or use organic baits to deter slugs and snails.

Ensure good air circulation, avoid overhead watering, and treat with fungicidal sprays or a milk-water solution to prevent powdery mildew. Maintain well-drained soil to prevent root rot. Regularly inspect the plants, practice good hygiene, and promptly address any pest or disease issues to ensure the health and vitality of Erigeron canadensis.

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