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Smooth Flatsedge

Cyperus laevigatus, Cyperaceae

Zones
8–11
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Dynamic AccumulatorBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (seedling)

Soil pH

5.5 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Frogbit ButtercupRanunculus hydrocharoides
Wind ProtectionBeneficial Insect Habitat
Colorado Spike RushEleocharis coloradoensis
Physical SupportWind Protection
Sand SpikerushEleocharis montevidensis
Wind ProtectionPhysical Support

Antagonistic Plants

Gulf Coast SpikerushEleocharis cellulosa

Related Cyperaceae species compete for root space in wetland soils and may exhibit allelopathic interactions

Uses

Functions

Water FiltrationErosion ControlNutrient Cycling

Edible Parts

TubersShoots

Medicinal Uses

Digestive

Common Questions

What zones does Smooth Flatsedge grow in?

Smooth Flatsedge grows in USDA hardiness zones 8 through 11.

What are good companion plants for Smooth Flatsedge?

Good companions for Smooth Flatsedge include Frogbit Buttercup, Colorado Spike Rush, Sand Spikerush.

Design guilds with Smooth Flatsedge and see companion relationships visually.

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