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Sharp-flowered Rush

Juncus acutiflorus, Juncaceae

Zones
4–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Ground CoverBeneficial Insect HabitatDynamic Accumulator

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (seedling)

Soil pH

5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Shallow SedgeCarex lurida
Wind ProtectionPhysical Support
Tama BambooDendrocalamus hamiltonii
Wind ProtectionShade ProvisionNutrient Accumulation

Antagonistic Plants

Taiwan Giant BambooDendrocalamus latiflorus

Taiwan giant bamboo's massive size and root system overwhelm sharp-flowered rush habitat requirements

Giant Chilean BambooChusquea gigantea

Giant Chilean bamboo's massive growth creates unsuitable habitat conditions for sharp-flowered rush

Uses

Functions

Wetland ManagementWater FiltrationErosion ControlLivestock Forage

Common Questions

What zones does Sharp-flowered Rush grow in?

Sharp-flowered Rush grows in USDA hardiness zones 4 through 8.

What are good companion plants for Sharp-flowered Rush?

Good companions for Sharp-flowered Rush include Shallow Sedge, Tama Bamboo.

Design guilds with Sharp-flowered Rush and see companion relationships visually.

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