Tennessee Smart Yards Native Plants

A comprehensive database of Tennessee native plants

Reed Manna Grass, American Manna Grass

Reed Manna Grass, American Manna Grass

Glyceria grandis

Full sun; wet to moderately wet moisture level; grows in peat, clay, loam, or sandy soils.  3-5 feet height, blooms in summer, purple flowers, spreads by both thick rhizomes and stolons.

Germination Code:  A, D

Native Region:  ?

This cool-season grass is designated “Possibly Extirpated, Endangered” in Tennessee.  It has broad, pale leaves and large, showy, openly branched clusters of purplish flowers up to 16 inches long.  Grows rapidly and is an important member of wetland communities.  Found along streams, lakes, meadows, bogs, and marsh sites.  It is often used around aquatic gardens.


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