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Pinus Bonsai growing is very popular in Japan and in other parts of the world. A properly maintained pinus bonsai is a sight to see with its beautiful and majestic foliage. Pinus however is not a very easy tree species to grow, more so to turn into bonsai. It is known to thrive in countries that have extensive mountain ranges and in areas with arid conditions. Pinus trees typically have distinctive growth patterns, which should be taken into consideration when one is pruning them. Common in many pinus bonsai trees are short needles as trees that have long needles are difficult to style.
When growing pinus bonsai, make sure that they receive ample sunlight throughout Autumn, Spring, and Summer. Those that are sunlight deprived are known to suffer from long needles. Although pines are known to hold up well during winter make sure to protect them from cold winds as their root systems can easily get frozen.
Pine trees hate wet soil. This does not mean however that they are better off in dry soil. An ideal medium should have sufficient moisture. Some gardeners recommend regular feeding as long as the trees are pruned correctly and regularly, which is contrary to the long held belief that pinus bonsai should be “starved” during certain parts of the year to reduce needle growth.
There are some garden experts that recommend depriving pinsu bonsai of water to reduce needle growth, but there are some who believe otherwise, believing that it poses unnecessary risk to the health of the tree.
When pruning, take a slow and gradual approach. Reduction of top growth should not be more than 50% to prevent unnecessary harm to the tree. When a tree has reduced reached maturity (which is around 30 or 40 years), perform pruning only once every vegetative period or once every year.
Trunk or branch pruning should be done during autumn when sap production is low to prevent massive sap loss. After pruning, apply Vaseline or petroleum jelly to the “wounded” area to stop sap bleeding and allow healing. You can safely remove the stump a year after the application.
Pine is prone to several pests such as sawfly larvae and aphids. On the other hand, several pine species particularly five needle types, are vulnerable to white pine needle rust.
When repotting pinus bonsai, it is normal to see a white material in the soil. This is actually a fungus named Micorrhiza which is very beneficial to the health of the tree.
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Author Bio Box: Patricia Wainwright
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