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Great Scouring-rush

Equisetum hyemale

Last reviewed: June 2026

Great Scouring-rush (Equisetum hyemale)
Photo: Alex Abair / Wikimedia Commons (CC BY 4.0)

Light

part shade

Water

medium

Size

12"–48" H × 6"–12" W

Bloom

Mar, Apr, May, Jun, Jul, Aug, Sep

Native to

VT

Browse plants for this ecoregion

Coast RangeSierra NevadaCentral California ValleyCentral California Foothills and Coastal MountainsSouthern California/Northern Baja CoastCentral Basin and RangeMojave Basin and RangeChihuahuan DesertsCentral Oklahoma/Texas PlainsEdwards PlateauWestern Gulf Coastal PlainSouth Central PlainsSonoran Basin and Range

Great scouring-rush is an ancient evergreen perennial that forms upright clumps of jointed, bamboo-like green stems. This primitive plant produces spores rather than flowers and maintains its striking architectural form throughout the year. It thrives in moist conditions and adds unique texture to shade gardens.

In an HOA neighborhood

Great Scouring-rush takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Very unusual appearance may confuse neighbors
  • Can spread aggressively if not contained
  • Lacks traditional flowering garden appeal

Wildlife value

As a spore-producing plant, scouring-rush does not attract pollinators but provides habitat structure for small wildlife. The dense clumps can offer shelter for amphibians and ground-dwelling insects.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Great Scouring-rush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.

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