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Colorado Spike Rush

Eleocharis coloradoensis, Cyperaceae

Zones
5–9
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

6 – 8.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Crested Joint VetchAeschynomene cristata
Nitrogen Fixation
Three-square BulrushSchoenoplectus americanus
Wind ProtectionNurse Plant
Smooth FlatsedgeCyperus laevigatus
Physical SupportWind Protection

Antagonistic Plants

Sand SpikerushEleocharis montevidensis

Closely related spike rush species compete for the same soil niche and may exhibit allelopathic interference

Ashy PipewortEriocaulon cinereum

Both are small tufted wetland plants that compete for limited space in shallow water margins

Uses

Functions

Water FiltrationErosion ControlSoil StabilizationHabitat Creation

Edible Parts

Seeds

Common Questions

What zones does Colorado Spike Rush grow in?

Colorado Spike Rush grows in USDA hardiness zones 5 through 9.

What are good companion plants for Colorado Spike Rush?

Good companions for Colorado Spike Rush include Crested Joint Vetch, Three-square Bulrush, Smooth Flatsedge.

Design guilds with Colorado Spike Rush and see companion relationships visually.

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