Common Lake Sedge (Carex lacustris)

Common Lake Sedge (Carex lacustris)

This tough sedge is often seen on shorelines on Minnesota lakes, growing in saturated and temporarily flooded areas. Grows aggressively by underground rhizomes (roots). Useful for shoreline restorations and bank stabilization projects.


Sun:    Full Sun, Part Shade, Shade
Moisture:    Wet, Medium-Wet
Height:    3 feet
Blooms:    May, June, July
Color:    Green
Spacing:    18″
Zones:    3-8
Benefits:    Shoreline Restoration, Deer Resistant

Design Tips

Because Lake Sedge spreads quickly by underground rhizomes (roots), plant them in groups that will grow together to form a dense colony. Be careful when planting them next to flowers that can’t handle the competition.

Companion Plants

Blue Flag Iris
Softstem Bulrush
Sweet Flag
River Bulrush