It’s important to use the finest quality fertilizer to feed the soil the best nutrients as they diminish. The fertilizer provides your bonsai with the necessary nutrients such as nitrogen, phosphorus, and potassium. It allows your tree to grow strong and produce sugars to protect it against freezing during the winter months.
Birch trees, botanically known as Betula sp., are often turned into bonsai. They grow quite quickly and have an eye-catching appearance which makes them very attractive as little potted trees. There are quite a few birch cultivars that are used as bonsai specimens with bark colors ranging from black, gray, white to silver