When To Repot Larch Bonsai
Factors such as species and pot size will affect how often you want to repot your bonsai there are some bonsai trees which will require repotting every year or at least every two years.
When to repot larch bonsai. To determine whether or not this is happening gently lift the entire tree from its pot. Repotting larches resent being pot bound and need repotting annually or bi annually in spring as buds extend. Larch bonsai forest repotting part 1. Damaged roots if left un pruned tend to rot.
Significant pruning should be done before the tree starts growing. Due to their fast growing habit larch bonsai especially in the start up phase need a relatively large amount of nutrients. Sometime in the winter is perfect. The larch is a strong tree which can withstand regular pruning well.
During repotting any roots that are broken torn crushed or have a large amount of bark scraped off need to be cleanly cut. Determine when your bonsai needs to be re potted. The primary reason for re potting a bonsai tree is when its root system begins to choke itself off. 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.
Some more mature trees might only need repotting every 3 to 5 years. If you cleanly cut the site you will encourage new rootlets to grow enhancing the health and development of the tree. Larch generally resent root disturbance. If the roots have begun circling around themselves you need to re pot.
It depends on the size of container pot and tree species how often a bonsai tree needs to be repotted. This is the case for most young bonsai. Japanese larches have a strong root growth. Yearly repotting is required be careful not to prune too much roots.
From late summer onwards revert to a low nitrogen feed to strengthen the tree for the coming winter.