Black Pine bonsai is one of pine bonsai species originated from Japan. In scientific, Black Pine bonsai has name Pinus Thunbergii. Black Pine bonsai is one of favorite bonsai to cultivate in Pine bonsai species. Black Pine bonsai isn’t recommended to beginners due to this tree is more complicated and need more experience when trimming and pruning for your desired shape. Black Pine bonsai is a bonsai species with different growth pattern from many other trees and foliage with needle shaped
Identifying and Growing a Black Pine Bonsai
Black pine bonsai is a Pine bonsai species that very depending on quality of soil. Checking the moisture of the soil is the first step before you start planting Black Pine Bonsai. You could enhance the growth of this bonsai by supply it with enriching soil condition in late spring and using low nitrogen fertilizer when the new growth has begun to harden. Additionally, the feeding process should be continued at intervals of 2 to 3 weeks until the first or second weeks in autumn with high nitrogen fertilizer
Trimming Japanese Black Pine bonsai properly
In trimming process, you must remove more than 50% of its leaves due to this tree has thick foliage, especially in canopy. If you want to apply some major trimming or remove a piece of the trunk or heavy branches then make sure do it during autumn because in autumn the sap flow will be minimal. Using petroleum jelly after you cut or remove a large piece of the tree for hasten recovery.
In spring, you should remove most of the buds for the best growth and shape results. You will however leave two that will grow in the form of a fork. When pruning Black Pine bonsai, you should leave behind the weak branches and remove the strong buds. Note the buds that are located on the lower weaker branches should be less restrained when compared to those on the upper ones.
The buds that remain will grow in a long candle type formation during mid-spring the lengths of which vary greatly. You should remove the by pinching the longer candle for the equal in length. When pinching a candle you should focus from the top to achieve the best results. In the end of the year, candles located near the bottom of the tree should be trimmed with the shoots.
For repotting, Black Pine bonsai should take intervals 2 to 5 years and must be apply in the spring. In spring, Black Pine bonsai will in most active growth period and it will easily adapt with the new soil. During repotting, it was prohibited to wash roots of the bonsai. If seed to grow Black Pine bonsai, you must allow them to germinate in snow during early spring.