As one of most popular pine bonsai species, black pine bonsai is a miniaturized black pine that founded in Japan. Pinus Thunbergii is a scientific name for this pine bonsai species that favorite by many bonsai growers. Black pine bonsai is not recommended tree for beginners or novice because this tree is very complicated and need more experience in trimming or pruning for your desired shape. The reason for this tree that not recommended for beginners because this tree is grow with distinctive and different pattern from other pine species, this tree is also have needle shaped foliage.Black pine bonsai – Identifying and growing
In order to growing black pine bonsai at least you must already understand and have experience in growing other pine bonsai species because black pine bonsai is very adaptive species as long as it receive proper treatment for pine bonsai and it will thrive in different climate either hot or cold. Bushy foliage and twisted trunk is some of this tree unique characteristic and when this pine bonsai compare with other pine species, it has another unique characteristic like greenish-purple bark and oozing buds.
In growing black pine bonsai, firstly, you must ensure you have use a soil with average moisture content. You also can enhance your black pine bonsai by using enriching soil with low nitrogen fertilizer in late spring when new growth begin harden. Additionally, you must feed your bonsai at intervals of 2 to 3 weeks until the early of autumn using high nitrogen fertilizer.
Black Pine bonsai – Proper Trimming
In trimming black pine bonsai, you must ensure that you have removed 50% or more its leaves because this tree has thick foliage especially the canopy. If you have planned to apply some major trimming on trunk or heavy branches, you must do it in the autumn because on that period the sap flow will in minimal. In order to hasten the recovery, you could use petroleum jelly.
For the best black pine bonsai growth and result there are require to remove most of the buds that form during the spring. You will however leave two that will grow in the form of a fork. In pruning you black pine bonsai, you should remove the strong buds and leave the branches that considered being weak. Note the buds that are located on the lower weaker branches should be less restrained when compared to those on the upper ones.
During the spring, the buds that remain will grow into variety of long candle type formation. To make the candle formation look balancing, you should pinch off the parts that excess length. For the best result in pinching the candle, there are recommended to pinching from the apex. In the end of year, you must remove the candle near the bottom at same time as the shoots.
In repotting black pine bonsai, there should take place when the bonsai is 2 to 5 years and must be apply on the spring because spring is a period when black pine bonsai in most active growth and will easily adapt to new soil. When repotting the black pine bonsai, you must make sure that you have washed the roots clearly from the past soil. If you desire to use seed method in growing black pine bonsai, there are recommended to allow them to germinate in snow during early spring.