How much sun does Tussock Cotton-grass need?

Tussock Cotton-grass grows best in part shade conditions.

When does Tussock Cotton-grass bloom?

Tussock Cotton-grass blooms in May, June, and July.

Where is Tussock Cotton-grass native?

Tussock Cotton-grass (Eriophorum vaginatum) is native to CT, IN, MA, ME and 9 more states, per vouchered herbarium specimen records and regional native plant society lists.

Is Tussock Cotton-grass HOA-friendly?

Tussock Cotton-grass takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Tussock Cotton-grass

Name: Pollinator Patch
Author: Pollinator Patch

Eriophorum vaginatum

Last reviewed: June 2026

Light

part shade

Water

high

Size

12"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

CT, IN, MA, ME and 9 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 432 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Northern Forests Northern Lakes and Forests North Central Hardwood Forests Southeastern Wisconsin Till Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Northeastern Highlands Northeastern Coastal Zone Northern Allegheny Plateau Acadian Plains and Hills Eastern Great Lakes Lowlands

Tussock cotton-grass forms compact, evergreen clumps with narrow leaves and distinctive white, cotton-like seed heads that appear in late spring through summer. This native sedge thrives in consistently moist to wet soils and partial shade conditions. The fluffy seed heads create an attractive textural element in the landscape.

In an HOA neighborhood

Tussock Cotton-grass takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Requires consistently wet soil conditions that may be difficult to maintain
Cotton-like seed heads may appear weedy to traditional landscaping preferences
Growth habit may look unkempt compared to conventional ornamental grasses

Wildlife value

The seed heads provide nesting material for birds, and the plant offers habitat for wetland-associated insects. While not a major pollinator plant, it supports the broader wetland ecosystem.

Common questions

How much sun does Tussock Cotton-grass need?: Tussock Cotton-grass grows best in part shade conditions.
When does Tussock Cotton-grass bloom?: Tussock Cotton-grass blooms in May, June, and July.
Where is Tussock Cotton-grass native?: Tussock Cotton-grass (Eriophorum vaginatum) is native to CT, IN, MA, ME and 9 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Tussock Cotton-grass HOA-friendly?: Tussock Cotton-grass takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Tussock Cotton-grass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

Not sure where to start? Take the 2-minute yard quiz