What is equisetum hyemale?

Equisetum hyemale, also known as rough horsetail or scouring rush, is a perennial plant belonging to the equisetum genus. It is native to North America and can be found in wet areas such as marshes, swamps, and stream banks.

Rough horsetail is characterized by its hollow, jointed stems that are covered in rough, silica-laden sheaths, giving it a coarse texture. The plant typically grows up to 2-4 feet tall, with fertile stems producing spore-bearing cones at the tips. These cones are brown or tan in color and appear in early spring.

Equisetum hyemale has been traditionally used for various medicinal purposes, such as treating wounds, ulcers, and urinary tract infections. However, it is important to note that some species of equisetum contain toxic compounds that can be harmful if ingested in large quantities.

In the garden, rough horsetail is sometimes used as a landscaping plant or as a natural border in ponds or water features. It is known for its hardiness and ability to thrive in wet soil conditions.

Overall, Equisetum hyemale is a unique and interesting plant that can add texture and structure to a garden or landscape.