Knotsheath Sedge
Carex retrorsa
Knotsheath sedge is a wetland sedge with reflexed, spreading seed heads, thriving in marshes, swamps, and wet ditches across the North.
- Family
- Cyperaceae
- Type
- grass
- Lifespan
- perennial
- Height
- 1–3 ft
- Spacing
- 1–1.5 ft apart
- Light
- sun, part shade
- Soil moisture
- wet
- Soil pH
- acidic, neutral
- Bloom
- June, July
- Bloom colors
- green, brown
- Wildlife value
- songbirds, larval host, mammals
- Landscape uses
- specimen, border, rain garden, naturalizing
- Native states
- CT, ID, IL, MA, ME, MI, MN, MT, NY, PA, VT, WA, WI