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Slender Cottongrass

Eriophorum gracile, Cyperaceae

Zones
2–7
Layer
Herbaceous
Lifespan
Perennial
Growth
Slow

Guild Roles

Ground CoverBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (fruiting)High (seedling)

Soil pH

4.5 – 7

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Bog SedgeCarex limosa
Beneficial Insect HabitatWind Protection
Floating Sweet GrassGlyceria fluitans
Wind ProtectionBeneficial Insect Habitat
Asian skunk cabbageLysichiton camtschatcensis
Beneficial Insect HabitatWind Protection

Antagonistic Plants

Anglestem BeakrushRhynchospora caduca

Different sedge family species often compete for similar bog niches with varying competitive abilities

Uses

Functions

Water FiltrationErosion ControlHabitatCarbon Sequestration

Medicinal Uses

Wound DressingInsulation

Common Questions

What zones does Slender Cottongrass grow in?

Slender Cottongrass grows in USDA hardiness zones 2 through 7.

What are good companion plants for Slender Cottongrass?

Good companions for Slender Cottongrass include Bog Sedge, Floating Sweet Grass, Asian skunk cabbage.

Design guilds with Slender Cottongrass and see companion relationships visually.

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