Blue Sedge? I know that one well.

All plants Card

Blue Sedge

Carex flacca

Zones 2–13

Stats
Sunfull sun
Waterlow
Grow time—
Height1–3ft
Spacing6–12in
Light
Full sun✓
Part shade✓
Shade✓
Traits
Life cycleperennial
Categorygrass sedge
Growth habitsprawling
Frost tolerancehardy
Height1–3ft
Spacing6–12in
Native us✗
Growing
Waterlow
Drainagewell drained
Soil ph min5.0
Soil ph max8.0
Propagation
Seed✓
Cutting✗
Division✓
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Spreadclump
Deer resistant✓
Drought tolerant✓
Toxic to
People—
Pets—
Livestock—
Bloom
Length2–6wk
Colors
White✗
Yellow✗
Orange✗
Red✗
Pink✗
Purple✗
Blue✗
Green✗
Cover
Mat height6–12in
Spread ratemoderate
Foot trafficnone
Evergreen✓
Lawn alternative✓
Mowable✗
Between pavers✓
Erosion control✓
Weed suppression✓
Under trees✓
Invasive
Statusnone
Regions
Northeast✗
Southeast✗
Midwest✗
Plains✗
Southwest✗
Mountain west✗
Pacific northwest✗
California✗
Hawaii✗
State noxious✗
Escapes cultivation✓
Calendar, zone 7
JanFebMarAprMayJunJulAugSepOctNovDec
Sownonoyesyesyesnononoyesnonono
Harvest————————————