Tall Bract Grass or Cogongrass-like Wild Grass
Imperata cylindrica or similar tall warm-season perennial · Warm-season, perennial, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed and Erosion Control
Hardiness Zones
USDA Zones 7-11 with high heat tolerance and complete winter dormancy in colder edges.
About This Grass
Forms tall, upright clumps reaching 3 to 5 feet with coarse texture and bright green to yellow-green blades that may turn brownish.
Blade Characteristics
Wide blades with sharp pointed tips, prominent midribs, folded vernation, and no visible auricles.
Growing Information
Growth Habit
Aggressive rhizomatous and bunch-type forming dense stands
Sunlight & Water Needs
Full sun preferred, highly drought tolerant, adapts to poor, acidic, or sandy soils.
Mowing & Maintenance
High maintenance if controlled due to aggressive underground rhizomes; usually managed by targeted herbicides or controlled burns.
Identified on 9/30/2026