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Wavy hair-grass

Enw gwyddonol: Deschampsia flexuosa
Wavy hair-grass lives up to its name: its fine, hair-like leaves and delicate flower heads can be seen shaking in the breeze of a windswept moorland or heathland.

Species information


Height: up to 1m

Statws cadwraethol


Pryd i'w gweld

January to December


With wavy stems, fine, hair-like leaves, and delicate, shaking flower heads, Wavy hair-grass certainly lives up to its common name. A tuft-forming, perennial grass, it prefers acidic soils and can be found on heathland and moorland, flowering in June and July. It is the foodplant of the caterpillar of the Wall Brown butterfly, which is classified as a Priority Species under the UK Post-2010 Biodiversity Framework.

Sut i'w hadnabod

Wavy hair-grass has fine leaves and drooping stems that hold loose flower heads with open clusters of delicate, purplish spikelets (containing the flowers).



Roeddech chi yn gwybod?

The Common sun beetle - a black beetle with a copper, metallic sheen - is associated with Wavy hair-grass.

Sut y gall bobl helpu

The Wildlife Trusts are working to restore and protect our heathlands by promoting good management, clearing encroaching scrub and implementing beneficial grazing regimes. This work is vital if these habitats are to survive; you can help by supporting your local Wildlife Trust and becoming a member or volunteer.