Cotton Grass is an ornamental grass with white, cottony tufts atop green grass-like foliage. Cotton Grass graces the edge of a pond beautifully while it softens the rockers and adds visual interest. This perennial grass grows 1 - 2 feet tall in moist, bog soil. Great for naturalizing and grows in full sun to part shade. Cotton Grass (Eriophorum angustifolium) ia a northern, native species to North America and Europe to Siberia. The cottony seed hairs are used to make candle wicks and for stuffing pillows. This grass will flower from May to June, next the seeds form from July through August. The flowers are either male or female, but both sexes will be found on the same plant. This plant is pollinated by the wind. Cotton Grass is great for light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid soils and can grow in very acid soils.
Height Grows to 12 - 24 inches tall
Width Slender grass-like foliage spreads slowly
Sunlight Requirements Full sun to part shade
Moisture Requirements Cotton Grass can grow in moist soil or with up to 2 inches of water above the roots
Bloom Blooms from May to June
Zone Grows in the Northern Hemisphere in acidic, bog regions throughout the arctic and subarctic regions of Britain, North America and Siberia (Hardy in zones 4 - 8)
Cotton Grass, a member of the Cyperaceae family, is a perennial, ornamental grass and can be planted in large in pots or fabric planters in moist soil or with up to 2 inches of water above the roots. Cotton Grass has a wide range of soil tolerance from sandy soil to heavy loam soil and Cotton Grass grows well in full sun to part shade. You may plant directly in the soil for naturalizing (can become invasive). Best in northern states as it prefers a winter habitat. Cotton Grass is pollinated by the wind and the seeds are in the fluffy flower heads. Cotton Grass grows well in wetlands including bogs, swamps and marshes.