Birch trees prefer well-draining soil that's slightly acidic. You can use a commercial bonsai soil mix or make your own by combining regular potting soil with sand, perlite, and peat moss. 3.

The Portland Garden Club has a suggestion, with these whimsical moss trees created for the club ... While you need to purchase a whole birch log and wooden dowel, you can make several bases ...

The finishes include wall-sized images of trees whose leaf canopy is made from actual moss applied to the wall ... whose vertical supports made of birch trunks evoke a night sleeping among the ...