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Blue Rush

Juncus inflexus, Juncaceae

Zones
4–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Ground CoverBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (seedling)

Soil pH

6 – 8.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Dwarf White Stripe BambooPleioblastus chino
Wind ProtectionBeneficial Insect Habitat
Golden Bamboo FargesiaFargesia scabrida
Wind ProtectionBeneficial Insect Habitat
Blunt SpikerushEleocharis obtusa
Beneficial Insect HabitatNutrient Accumulation

Antagonistic Plants

Himalayan BambooThamnocalamus nepalensis

Himalayan bamboo's dense growth habit and potential chemical inhibition suppress blue rush establishment

Plume GrassErianthus ravennae

Large plume grass creates dense stands that shade and outcompete rush species for space and nutrients

Uses

Functions

Wetland RestorationErosion ControlWater Filtration

Common Questions

What zones does Blue Rush grow in?

Blue Rush grows in USDA hardiness zones 4 through 8.

What are good companion plants for Blue Rush?

Good companions for Blue Rush include Dwarf White Stripe Bamboo, Golden Bamboo Fargesia, Blunt Spikerush.

Design guilds with Blue Rush and see companion relationships visually.

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