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Thread Rush

Juncus filiformis, Juncaceae

Zones
3–8
Layer
Ground Cover
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

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Altai FescueFestuca altaica
Nutrient AccumulationWind Protection
Drooping BulrushScirpus pendulus
Physical SupportBeneficial Insect HabitatWind Protection

Antagonistic Plants

SourgrassDigitaria insularis

Sourgrass produces allelopathic compounds and competes aggressively with thread rush

Uses

Functions

Wetland RestorationErosion ControlWater FiltrationWildlife Habitat

Common Questions

What zones does Thread Rush grow in?

Thread Rush grows in USDA hardiness zones 3 through 8.

What are good companion plants for Thread Rush?

Good companions for Thread Rush include Altai Fescue, Drooping Bulrush.

Design guilds with Thread Rush and see companion relationships visually.

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