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Purple Reedgrass

Calamagrostis purpurascens, Poaceae

Zones
2–7
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Ground CoverMulch MakerBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Nebraska SedgeCarex nebrascensis
Wind ProtectionNutrient Accumulation
Smooth-leaved Umbrella BambooFargesia glabrifolia
Wind ProtectionPhysical Support
Northwest Territory SedgeCarex utriculata
Wind ProtectionPhysical SupportBeneficial Insect Habitat

Antagonistic Plants

Clumping GuaduaGuadua amplexifolia

Large tropical bamboo creates dense shade and strong allelopathic effects that inhibit reedgrass

Whorled Giant BambooGigantochloa verticillata

Giant bamboo creates heavy canopy shade and allelopathic effects that inhibit reedgrass growth

Uses

Functions

Slope StabilizationOrnamentalWildlife HabitatCold Climate Landscaping

Common Questions

What zones does Purple Reedgrass grow in?

Purple Reedgrass grows in USDA hardiness zones 2 through 7.

What are good companion plants for Purple Reedgrass?

Good companions for Purple Reedgrass include Nebraska Sedge, Smooth-leaved Umbrella Bamboo, Northwest Territory Sedge.

Design guilds with Purple Reedgrass and see companion relationships visually.

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