Let me tell you about Grassy-Leaved Sweet Flag.

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Grassy-Leaved Sweet Flag

Acorus gramineus

Zones 6–13

Stats
Sunfull sun
Waterhigh
Grow time—
Height<1ft
Spacing<6in
Light
Full sun✓
Part shade✓
Shade✓
Traits
Life cycleperennial
Categorycreeping perennial
Growth habitground cover
Frost tolerancehardy
Heightunder 1ft
Spacingunder 6in
Native us✗
Growing
Waterhigh
Drainagewet tolerant
Soil ph min6.0
Soil ph max7.0
Propagation
Seed✗
Cutting✗
Division✓
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Spreadrunners
Deer resistant✓
Drought tolerant✗
Toxic to
People—
Pets—
Livestock—
Bloom
Lengthunder 2wk
Colors
White✗
Yellow✗
Orange✗
Red✗
Pink✗
Purple✗
Blue✗
Green✗
Cover
Mat height6–12in
Spread ratefast
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
Sownonoyesyesyesnonononononono
Harvest————————————