Overview

Eriophorum gracile is a clump forming aquatic in the genus Eriophorum, part of the Cyperaceae family, with evergreen foliage. Eriophorum gracile grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include wildflower meadow.

About

Eriophorum gracile (slender cotton grass) is a clump-forming evergreen perennial belonging to the genus Eriophorum, known for its slender, tufted leaves and distinctive oval flower heads with silky hairs. This cultivar thrives in full sun on south- or west-facing sites and adapts well to a range of soil types including clay, loam, and sand, provided the soil is poorly drained. Suitable for wildflower meadows, it is hardy in the UK (H7) and best propagated by division in spring. Its season of interest spans spring and summer, making it a notable aquatic or bog plant.

Growing conditions

Best soil and position for Eriophorum

Sunlight

Full sun

Soil type

Clay, Loam, Sand

Soil pH

Acid, Alkaline, Neutral

Soil moisture

Poorly-drained

Aspect

South-facing, West-facing

Exposure

Exposed, Sheltered

UK hardiness

H7

Plant details

Eriophorum gracile size, habit and characteristics

Plant type

Aquatic, Bogs, Grass Like

Habit

Clump forming

Foliage

Evergreen

Suggested uses

Wildflower meadow

Care notes

Pruning and caring for Eriophorum gracile

Propagation

Division in spring

Pest resistance

Generally pest-free

Disease resistance

Generally disease-free

Frequently asked questions