The purple saxifrage is one of Wales' most hardy Arctic Alpine flowers, growing in extremely cold and inhospitable mountainous regions. In this clip from Iolo's Welsh Safari, Iolo Williams teams up ...

When most people consider the arctic, or high-altitude mountain landscapes, they think of endless snow, ice and bare rock. But pastel-coloured flowers, sometimes just a few millimetres wide, bloom in ...

A well planted Alpine trough can look prettier than the Crown Jewels. Mountain plants may be small and tough, but in order to attract pollinators their flowers must be extra alluring. That’s why ...

In order to see this content you need to have both Javascript enabled and Flash installed. Visit BBC Webwise for full instructions Last updated: 22 February 2011 The purple saxifrage is one of Wales' ...