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Marsh Grass

Spartina patens

Last reviewed: June 2026

Marsh Grass (Spartina patens)
Photo: V. Howard, UCGS / Wikimedia Commons (Public domain)

Light

full sun

Water

high

Size

12"–36" H × 12"–24" W

Bloom

Jun, Jul, Aug, Sep

Native to

MI

Pollinators

bees, flies

Browse plants for this ecoregion

Spartina patens is a fine-textured native grass that forms compact clumps with slender, arching leaves. This salt-tolerant species blooms from summer through early fall with delicate, wispy flower spikes that add subtle texture to the landscape.

In an HOA neighborhood

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

Works well in: backyard only.

  • High water requirements may appear unkempt during dry periods
  • Wispy grass texture can look wild or unmaintained
  • May spread aggressively in optimal conditions

Wildlife value

The flowers attract bees and flies during the long blooming season from June through September. Seeds provide food for birds, and the dense clumps offer nesting habitat for small wildlife.

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 Marsh Grass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.