Cottongrass in Wales’ Wetlands

Beyond the Fluff
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Wales is known for more than just its fluffy sheep – it’s also home to the fluffy and fabulous Common Cottongrass. This plant, also known as Eriophorum angustifolium, can be found all over Wales’ Wetlands, particularly in Snowdonia and on Cors Caron, the great red bog at Tregaron in the upper reaches of the River Teifi.

With its cotton-like seed heads that appear in late summer and autumn, it’s easy to see why it’s called “Common Cottongrass”. The fruits of the Common Cotton Grass plant are what make it so visible. They are dark brown and have white cotton-like hairs resembling cotton wool. These cotton-like heads are what give the plant its name.

But don’t be fooled by the name; Despite being called a “grass”, Common Cottongrass is actually a sedge. It is wind-pollinated, which is why it is often found in large clusters. The yellow anthers provide a little colour to the spiky clusters of flowers

And it’s not just a pretty face – this plant plays a vital role in maintaining a healthy ecosystem. With deep roots that allow it to access water and nutrients deep below the surface, it helps to stabilise the soil and prevent erosion. Plus, its seeds are a tasty treat for birds. So next time you’re in Wales, don’t just look out for the sheep – keep an eye out for the fluffy and fabulous Common Cottongrass too!

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