Those young White Birch (or Paper Birch, Betula papyrifera) clumps were repotted in ceramics. They are three years old and were started from seeds.

birch kabudachi repot

birch kabudachi repot

birch kabudachi repot

birch kabudachi repot

birch kabudachi repot

Close-up of the young bark.

birch kabudachi repot