Panicum virgatum (Switchgrass)-HAVE SEEDS



USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC.

WILD SEED PROJECT IS OFFERING SEEDS, SO THIS SPECIES IS NOT A PRIORITY.

Where Commonly Found:  Brackish, marshes and flats, meadows, fields, shores of rivers or lakes, wetland edges, CT, MA, ME, NH, NY, RI, VT.
How to Identify:
(For unfamiliar words: Wikipedia Glossary of Botanical Terms).
Go Botany key to Panicum virgatum.
Plant Type:  
Warm-season grass, smooth stem, can form dense colonies
Leaf Type:  
Leaf blades are 6″-22″ long and 5/16″ wide, hairy on upper surface, especially near the ligule which is a fringe of dense hairs about 1/8″ tall.
Flower:  Mid-August to October, Reddish Purple.
Seed Head:  Openly branched, airy panicle with spikelets near the ends of the branches  Grain is shiny, smooth and about 1/8″ long.
Height:  3′ – 6′
Seed Collection:  Collect before significant shattering, air dry, clean by scalping through 1/2″-1/4″ mesh to remove large particles, then brush to remove floral parts, air screen for final cleaning.

Attracts:
 Butterflies, Larval Host, Birds
Use:  Garden, Naturalizing and Monarch Garden
Light:  Full Sun to Part Sun
Hardiness Zone:  3 to 9  USDA Zone Map
Soils:  Dry to Moist
Notes:  Switchgrass is a clump-forming native grass, show-stopper.  Beautiful in all seasons and valued by many butterflies and moths as a larval host plant, seeds for songbirds and cover/nesting material for many wildlife species.
Native to all US except the West Coast:  Biota of North America Program (BONAP) – North America Plant Atlas (NAPA).

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