Cotton grass, resembling a cotton bud with a white feathered end, is easily recognisable in peat bogs. Its meter-long roots enable it to store nutritional reserves, as the ground is very low in minerals. It’s a plant that is suited to a northern climate (cold). It was widespread across Europe a few thousand years ago. However, the climate subsequently grew warmer and it only survived in Scandinavian countries and in peat bogs, where no other plant is able to replace it.