Equisetum hyemale, commonly known as rough horsetail, scouring rush, scouringrush horsetail and in South Africa as snake grass, is a perennial herb in the. American Horsetail Commonly known as American Horsetail, the stems are thicker than Equisetum hyemale, plus they are an attractive pink colour when young. The stems are thicker than. Equisetum hyemale, plus they are an attractive pink colour when young. Leave old growth standing through winter, cut down in.

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However, some local populations of the Equixetum Rush resemble Equisetum hyemale robustum or Equisetum robustumwhich was recognized as native to this continent in the past.

The stems are generally deciduous in cold climates, and remain during winter in warmer climates. This page was last edited on 10 Novemberat Mid-Columbia Indians and Their Land.

Adequate water, mulch and a mid-season trim help ensure their staying power. It is a popular “icon plant” in contemporary Modernist and Asian style garden design.

Like other ferns and their relatives, the plant reproduces by spores and does not produce flowers or seeds. A low-lying area along a pond in Champaign, Illinois, and a drainage ditch near the Windsor Road Prairie of the same city. By using this site, you agree to the Terms of Use and Privacy Policy. Botanical Society of Britain and Ireland.

Boasting a strong architectural appeal, this California native has sturdy bamboolike stems and is much taller than the species. The rough stems have been used to scour or clean pots, and used as sandpaper. These are both types of E. Check out the article here. The larvae of the weevil and sawflies feed on the stems. As a general rule, such hybrids are less evergreen than the Scouring Rush and they are smaller in size.

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Current Staff’s Favorite Plant. Equisetum hyemale has robustu jointed reed-like stalks of medium to dark green. Please fill out our Registration Form to receive news of updates to the web site, availability of new plants, give us your feedback, and to be on the mailing list to receive future printed catalogs. Because of its tall stems and tendency to form dense colonies, Scouring Rush provides excellent cover for various kinds of wildlife, robuatum wetland birds, small mammals, reptiles, amphibians, and insects.

The hollow stems are up to 3 feet 0.

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The Scouring Rush can be distinguished from other horsetails Equisetum spp. This is the largest horsetail in Illinois; it is somewhat unusual in having evergreen stems. At the present time, only Equisetum hyemale affine is recognized for North America.

The plant is sometimes sold in the nursery trade as “barred horsetail” or ” Equisetum japonicum “, but is different in appearance than Equisetum robudtum var.

Other habitats include moist forest and woodland openings, lake and pond shores, ditches, and marshes and swamps. Digging Dog Nursery A retail and mail-order plant nursery specializing in unusual and hard-to-find perennials, ornamental grasses, shrubs, trees, and vines.


The root system consists of extensive rhizomes with fibrous secondary roots. Each of the plants included in this newsletter bestow either plump berries, equissetum blooms, compelling foliage or artful branching patterns.

Scouring Rush (Equisetum hyemale affinis)

Insects that feed on horsetails Equisetum spp. Wikimedia Commons has media related to Equisetum hyemale. Robustum G Each 7. The horsetails are closely related to ferns and both were common during the Carboniferous period million years agowhen tree-sized horsetails and ferns occurred.

Except along their upper and lower rims, the sheaths are whitish grey, brown, or black. I am always impressed by the large dense robustuum that are often formed by the stems of this plant.

American horsetail (Equisetum robustum)

It is used as a homeopathic remedy. This plant can spread aggressively, especially in locations where the soil is poorly drained.

In spite of this common name, the Scouring Rush Equisetum hyemale affine is not a rush, but equistum horsetail. These teeth are semi-deciduous and they often break off the sheaths with age.

Usually this species is easy to identify, although sometimes it forms sterile hybrids with other horsetails. The arresting foliage of these easy-care, low growing perennials remains tidy well into November.