Crested Oval Sedge - Carex cristatella

Common Name: Crested Oval Sedge
Scientific Name: Carex cristatella
Sun Conditions: Full Sun to Partial Shade (tolerates near-full shade)
Soil Conditions: Medium to Wet (poor drought tolerance)
Height Range: 1.5-3 ft
Width Range: 1-2 ft
Ht. Min: 1.5 ft
Ht. Max: 3 ft
Width Min: 1 ft
Width Max: 2 ft
Evergreen: Semi-deciduous
Blade Width: Medium
Growth Habit: Clump-forming, spreads by short rhizomes
Growth Rate: Medium
Bloom Time: Summer
Bloom Color: Green/Brown
Seed/Fruit Production: Yes (distinctive comb-like/crested seed heads)
Foliage Color: Green
Hardiness Zones: 3-8
Deer Resistant: Yes
Poisonous: No
Ecological/Landscape Use: Rain gardens, wet meadows, stream/pond margins, mass plantings
Lepidoptera Supported by Species or Family/Group: Not well documented at species level

https://tnyards.utk.edu/carex-cristatella/