Repot Juniper Bonsai

Junipers of course are evergreens and don t lose their leaves like a deciduous tree but they go dormant just the same.
Repot juniper bonsai. Mid february is a good general average for most bonsai trees. The juniper is a genus of about 50 70 species within the cypress family. Remove some of the bonsai tree s roots. It depends on the size of container pot and tree species how often a bonsai tree needs to be repotted.
Fast growing trees need to be repotted every two years sometimes even every year while older more mature trees need to be repotted every three to five years. For the majority of species there is a small period of time during the spring where the roots can be disturbed and pruned with reduced risk of danger to the tree s health. The roots should have time to heal before spring comes. Firstly it s important to take a kama or a bonsai sickle and go around the perimeter of the pot to detach the root ball.
Put simply because bonsai grow in a small volume of soil the tree will in time fill it s pot with roots. After an extended period which varies according to several factors the plant will begin to suffer. Repotting at this time can make space for the roots growth in spring. During the winter your bonsai is dormant and the tree rests for the spring.
At this point you should also remove any roots that appear to be rotting. Bonsai cannot be repotted at any time of the year. They are evergreen coniferous trees or shrubs which are very popular for bonsai purposes. If you repot your bonsai in the fall it s already getting ready to go dormant for the winter and won t be as affected by the transplant.
The downside is there s more chance of something going wrong especially with older trees. Juniper bonsai trees sold at large stores including walmart and home depot are often japanese garden junipers also called green mound junipers juniperus procumbens nana. The short version of the debate boils down to this. 3 in winter around the end just before spring is a very good time to repot your bonsai.
This is called root pruning. After untangling the roots prune back some of the longer ones to keep the tree from outgrowing its pot. In order to maintain the tree in a healthy condition re potting will be required this may or may not involve root pruning. Late winter is the best time to re pot your bonsai tree.
As a general rule avoid removing more than 25 percent of the tree s total mass of roots.