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Tall Cottongrass

Eriophorum angustifolium, Cyperaceae

Zones
2–7
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

4 – 6.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

LeatherleafChamaedaphne calyculata
Wind ProtectionNurse Plant
Eastern Few-fruited SedgeCarex oligocarpa
Pollinator Sharing
Red HuckleberryVaccinium parvifolium
Nurse PlantBeneficial Insect Habitat

Antagonistic Plants

Longhair SedgeCarex comosa

Cotton grass and sedges compete intensely for wetland resources, with dense growth forms creating strong competitive pressure

Straw-colored FlatsedgeCyperus strigosus

Different sedge families competing for wetland resources and growing space

Uses

Functions

Wetland RestorationBog GardenWildlife Habitat

Common Questions

What zones does Tall Cottongrass grow in?

Tall Cottongrass grows in USDA hardiness zones 2 through 7.

What are good companion plants for Tall Cottongrass?

Good companions for Tall Cottongrass include Leatherleaf, Eastern Few-fruited Sedge, Red Huckleberry.

Design guilds with Tall Cottongrass and see companion relationships visually.

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