Switchgrass

Panicum virgatum

Switchgrass

Warren Gretz, DOE/NREL

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Panicum
Species:
Panicum virgatum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
8-12 ft
Light Requirements:
Full Sun, Part Shade
Drought Tolerance:
High
Bloom Months:
aug, sep, oct, nov
Bloom Colors:
Green, Brown
Lawn Substitute:
Yes

Native Range

United States: Alabama, Arkansas, Arizona, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Wisconsin, West Virginia, Wyoming, Canada: Manitoba, Nova Scotia, Ontario, Quebec, Saskatchewan

Keystone Species Ranking

Caterpillar Keystone:
★★★☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Delaware Skipper (Atrytone logan), Leonard's skipper (Hesperia leonardus)

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Thrives in prairies and open woodlands

Germination Information

Pre-treatment: Mix equal amount of seeds with perlite or vermiculite and moisten. Store in a cold environment (33-42 degrees F) for 1-4 months.

Establishment: Seed is harvested by hand or by combine. Germination conditions may vary slightly between protocols.

Source: npn.rngr.net