Generally wisteria is not shaped by using wires. However, if there is a need to shape a branch to the desired position, you can use bonsai wires to hold the branch in place. Continue reading about best practices (with images) on wiring a bonsai tree.
When to wire wisteria bonsai
The best time to wire a wisteria bonsai tree is during the dormant season, typically in late fall or winter when the leaves have fallen off. During this time, the tree is not actively growing, and the branches are more flexible and easier to shape. Wiring during the growing season can cause stress and damage to the tree.
It’s important to wire the tree before the buds begin to swell in the spring, as the branches will become less flexible as new growth emerges. So, it’s recommended to wire your wisteria bonsai in late fall or winter to get the best results.
How to wire a wisteria bonsai
- Select the right wire: Use aluminum or copper wire that is thick enough to support the weight of the branches, but not so thick that it damages the bark. Using wire that is too thin can cause the wire to cut into the bark, while using wire that is too thick can cause the bark to split and the bends will not be that effective. Ideally, you should choose a wire with a thickness between one-sixth and one-third of the trunk’s (or the branch’s) diameter. For wisteria bonsai, 1.5mm to 2.5mm wire is usually appropriate.
- Wrap the wire around the trunk: Begin by wrapping the wire around the base of the trunk and work your way up the tree. Be sure to wrap the wire in a spiral pattern, with each wrap spaced about 1-2cm apart.
- Wire the branches: Once the trunk is wired, it’s time to wire the branches. Start with the thickest branches and work your way down to the smaller ones. Again, wrap the wire in a spiral pattern, being careful not to damage the bark.
- Be gentle while bending the branch: When bending the branches, be gentle and take your time. Bending the branches too quickly or forcefully can cause damage to the tree. It’s best to make small adjustments over time. Although branches may appear flexible at first, they have a habit of snapping without warning. Therefore, utmost care must be taken.
- Monitor the wire: Check the wire regularly to make sure it is not cutting into the bark or causing any damage. If you notice any signs of damage, adjust the wire immediately.
The amount of time it takes for wisteria branches to set in place with wires can vary depending on several factors, including the thickness of the branches, the age and health of the tree, and the tightness of the wire. Typically, it can take several months to a year for the branches to set in place.
Remember, wiring is just one aspect of bonsai care, and it’s important to also provide your wisteria bonsai with proper watering, fertilization, and pruning. Continue reading about wisteria bonsai care.
