Definition of cotton grass in US English:

cotton grass


  • A sedge that typically grows on swampy land in the northern hemisphere, producing tufts of long white silky hairs, which aid in the dispersal of the seeds.

    Genus Eriophorum, family Cyperaceae

    • ‘A mixture of cotton grass and charcoal made a good temporary wound cover.’
    • ‘After visiting the bog one day last September, she recorded her amazement at its variety of life: ‘The leaves have all turned and the cotton grass has gone to seed.’’
    • ‘Without bogs we would lose astonishing plants like sundews, sphagnum mosses and cotton grass.’
    • ‘On one side of the water is a wide plain, speckled white with Arctic cotton grass.’
    • ‘The surrounding land drops down close to 2,500 feet, and possesses all the flora and fauna you'd expect from an Appalachian mountain range - mountain laurel, rhododendron, cotton grass, pine trees and all the deer you can fathom.’
    • ‘Skylarks sang over the wetlands, carnivorous butterworts were in violet flower and cotton grass fluffed up the land.’
    • ‘As for the descent, it was fast and sweet, with acres of cotton grass and then lower down many a meadow of buttercups.’
    • ‘There are swathes of yellow flag irises and creamy clouds of cotton grass.’
    • ‘Even cotton grass, a widespread and dominant tundra species that reproduces year after year by cloning, profits from fire.’
    • ‘Two species of sedges that form cottony seed masses are called cotton grass.’
    • ‘Once the right amount of sheep are grazing, we will soon see a transformation from a landscape that has been nibbled smooth to a glorious flowering of bushy purple heather, with cotton grass swaying in the wind.’
    • ‘She said that blanket bog was a layer of peat over wet rolling ground, which was usually home to plants like cotton grass and heather.’
    • ‘It became a Site of Special Scientific Interest ten years ago, and important plant species are birdseye primrose and the broadleaved cotton grass.’
    • ‘This we bypassed and after a pasture with cotton grass and a few little streams, we were walking a buttercup meadow back into sunny Burtersett.’
    • ‘A large owl hunted and there was an abundance of rabbits and beautiful drifts of cotton grass.’
    • ‘Most years, the herd uncannily arrives at the calving grounds just when cotton grass plants are new, tender, and loaded with nutrients - before they develop their bitter, protective poisons.’
    • ‘Bog asphodels and a circle of cotton grass brightened the rushes.’
    • ‘Hundreds of thousands of these geese come to the refuge each September to fatten up on cotton grass before heading south.’


cotton grass

/ˈkätn ˌɡras/