Connecticut Plants
Common Horsetail (Field Horsetail)
Equisetum arvense L.
  • Family: horsetail (Equisetaceae)
  • Habitat: moist to somewhat dry soil in woods, meadows, wetlands, and disturbed habitats
  • Height: 6 to 24 inches
  • Location of spores: in cones on separate stemsthat emerge early in spring and wither by summer
  • Persistence: evergreen
  • Origin: native

A sterile stem of common horsetail. Photographed in late June in Montgomery County, Pennsylvania.


A fertile stem of common horsetail, topped with a spore-bearing cone. Photographed in Mackinac County, Michigan in early May.


Another fertile stem of common horsetail. Just to the right, you can see a feathery green sterile stem emerging. Photographed in Mackinac County, Michigan in early May.