Horseweed 25 For $79.99

  • Horseweed
  • Horseweed

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    Horseweed - Erigeron Canadensis

    Posted by Sheila Culvert on Jan 26, 2022

    These are unpopular to animals yet produces another forte in treating challenges to humans. I have this kind in a small area in my farm.

Helpful Gardening Tips


Shipping Information

We dig fresh our plants and ship immediately. We ship US Mail, Priority shipping. You will receive a tracking number once your plants ship. All plants will be fine in their packages for up to 3 days after receiving.

How We Protect Your Plants For Transit

We sell only bare root plants. We dip the roots in tera-sorb silicone gel to retain ample moisture for transit and surround with plastic. This is superior protection for plants in transit for up to 12 days.

Upon Receipt Of Your Plants

Open your plants and inspect the same day received. We offer 3 days to report any problems with your order. Bare root plants need to be planted within 2-3 days of receiving unless weather-related problems prohibit planting. Store in a cool place and keep roots moist and covered with plastic until they can be planted. Water for the first week daily after planting.

Shipping Dates


Horseweed gets its common name from terpene, a substance produced by the plant that irritates any mammals that touch it.

Horseweed or Erigeron Canadensis was commonly used to treat bleeding problems, flesh wounds, ulcers, hemorrhoids, high blood pressure, tonsillitis, and to help kidneys flush excess salt and fluids. Indigenous people and early colonials also used it to treat many heart conditions.

Other names for Erigeron Canadensis include Canadian Horseweed and Mare’s Tail.

Farmers noticed that horses who had come in contact with Erigeron Canadensis developed minor rashes on the tips of their noses.

Some people are also susceptible to developing irritation or a rash when exposed to Erigeron Canadensis’ here.

While this plant is generally disliked today, it was considered helpful by aboriginal people in the Americas.


Horseweed is a flowering, summer annual that can from anywhere from six inches to ten feet tall.

The central stem is solid and stout and covered in spreading white hairs. It is unbranched until the apex, at which point there are branched stems that produce flowers.

When immature, Erigeron Canadensis has strong similarities to Goldenrod; however, the differences are easy to spot when Erigeron Canadensis produces flowers and seeds. Horseweed has white flowers.

The flowers have very yellow centers with forty to 50 white petals on each flower. Even at their full size, these flowers are only one-eighth of an inch across, so they are not easy to spot from afar.

The leaves are oval-shaped, narrow, and covered in tiny, white, stiff hairs.

The leaves are about a half-inch wide and four inches long at the plant’s largest size at full maturity.


Where Horseweed Grows

This plant prefers full sun, loamy soil, and dry heat.

This plant can tolerate gravel and clay soil, though it is not favored.

It also prefers fertile soil; the more nutrients the earth has, the taller and more comprehensive it will grow.

It can tolerate droughts quite well, though it may drop some lower leaves in the process.

Erigeron Canadensis is native to Central and South America; however, it is considered invasive in Europe, Asia, and Australia. In the United States, it grows in every state, Hawaii and Alaska included.


This plant is a prolific producer that produces seeds alone.

It creates approximately 700,000 seeds per pound, which are pretty hardy, clinging to animals and clothing for long distances before falling off and germinating.

Usually, the plant can be found in vacant lots, gravel parking lots, ditches, canals, roadsides, railroad tracks, meadows, agricultural crop fields, orchards, vineyards, and other unmanaged places.


Erigeron Canadensis Attracts Pollinators and Other Insects

The flowerheads attract a vast array of insects, including:

  • Wasps
  • Flies
  • Honeybees
  • Halictid bees
  • Flower beetles


This plant is full of resin and poisonous, so most mammals leave it alone. Occasionally, deer and rabbits will selectively forage on young and immature Horseweed.

The flowers bloom from June through September, when you commonly see these insects near them.

Horseweed is for sale online at Tennessee Wholesale Nursery Co.

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