Switchgrass
Panicum virgatum
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
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