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Weak-stalk Club-rush

Schoenoplectiella purshiana

Last reviewed: June 2026

Weak-stalk Club-rush (Schoenoplectiella purshiana)
Photo: Shaun Pogacnik ( shaunpogacnik95) / Wikimedia Commons (CC0)

Light

part sun

Water

high

Size

8"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, CT, DE, GA and 24 more states

Weak-stalk club-rush is a native sedge that forms small clumps of slender, grass-like stems topped with modest brownish flower clusters. This moisture-loving plant thrives in consistently wet conditions and produces its inconspicuous blooms during summer months. It maintains a compact, upright growth habit throughout the growing season.

In an HOA neighborhood

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

Works well in: backyard only.

  • Requires consistently wet soil which is difficult to maintain
  • Inconspicuous flowers and sedge appearance may look weedy to neighbors
  • Very specific moisture requirements limit placement options

Wildlife value

This sedge provides seeds for waterfowl and songbirds, particularly in late summer and fall. The dense clumps offer nesting sites and cover for small wildlife in wetland environments.

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 Weak-stalk Club-rush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.