Categories David Sulfur tuft cluster on a stump Post author By David Post date 4 October 2014 Mushrooms to look out for over the coming months. Sulfur tuft are bright yellow and grow in clumps on wood (including buried wood). They are one of the few species which should carry on appearing even in the coldest winter months. ← Juvenile b.h. gull → Hollow oak, Upper Green, Tettenhall