1. a tall perennial grass native to North America, commonly used for prairie restoration and as a biofuel crop

Examples

• Farmers are planting switchgrass as an alternative energy source.
• The prairie restoration project included native switchgrass varieties.
• Switchgrass can grow up to eight feet tall in ideal conditions.
• Researchers are studying switchgrass as a sustainable biofuel option.
• The field was covered with golden switchgrass swaying in the wind.
• Wildlife benefits from the habitat provided by switchgrass plantings.