Proper Bonsai Bending Techniques for Beginners
Basic Guides

Proper Bonsai Bending Techniques for Beginners

InBonsai Team

InBonsai Team

January 28, 2024 · 8 min read

Proper Bonsai Bending Techniques for Beginners

Introduction to the Art of Bonsai

The art of bonsai is a long-standing form of cultural expression, combining shaping talent and the celebration of nature. Originating from ancient China and perfected in Japan, bonsai is not just about miniaturizing trees but also the art of creating a balanced, harmonious beauty between humans and nature. Each bonsai work is the result of patience, meticulousness, and creativity, where the artisan expresses their soul and philosophy of life through bending and shaping the smallest details on the tree.

Preparation Before Bending

Thorough preparation before bending a bonsai tree is a decisive factor in the success of the work. The most suitable time to bend trees is in late summer, from late July to early August, when the tree is in a good growth stage and the bark has high flexibility.

Before starting, assess the health status of the tree. Only bend healthy trees that are free from pests or newly planted. Weak trees need to be restored before applying bending techniques to avoid unnecessary damage.

Beginners need to prepare the following basic tools:

  • Bonsai wire: aluminum or copper wire with thickness suitable for branch size
  • Wire cutters and pliers: to cut and bend wire
  • Rubber-coated pliers: avoid damaging tree bark
  • Iron clamp: use when a solid fulcrum cannot be found
  • Tree wrap tape: protect tree bark from damage when winding wire

The case of mini tea bonsai is a typical example for beginners learning to bend trees, as the trunk and branches are relatively flexible and easy to shape according to the bender’s wishes.

Basic Principles in Bonsai Bending

Balance and harmony are the foundational principles in the art of bonsai bending, creating natural beauty and intense vitality for the work. When determining the direction of bending, the artisan needs to carefully observe the natural characteristics of the tree to choose a suitable style.

Balanced proportion is expressed through the “1/3” rule, whereby the thickness of the bending wire should be 1/3 the size of the branch. Even and beautiful wiring reflects the level of the bonsai player and directly affects the aesthetic value of the work.

When shaping, pay attention to the basic branch distribution structure:

First-level branches: facing forward Second-level branches: facing backward Third-level branches: facing both sides The top branches are arranged alternately, rotating to form a cone or round shape, with branch sizes gradually decreasing towards the top. The ideal time to bend trees is late summer (July-August), when the tree has strong vitality and good adaptability.

A beautiful bonsai tree always shows harmony between nature and human hands, reflecting the true natural growth characteristics of each tree species.

Initial Branch Bending Techniques

Branch bending technique is an art that requires patience and careful practice to avoid damaging the tree. Before starting, prepare wire with a thickness of 1/3 the size of the branch to be bent. Wire is an ideal material because it is easy to bend, soft, and tougher than other metals.

When winding wire, insert one end of the wire into the soil of the pot to fix it. Wind the wire at a 45-degree angle to the vertical axis of the tree, not too loose or too tight to avoid damaging the tree bark. For large branches, multiple wires of the same size can be bundled together.

When bending branches, move slowly and evenly, always keeping in mind the elastic limit of the branch. If you hear a “cracking” sound, stop immediately to avoid breaking the branch. With some coniferous species, iron wire can cause a toxic reaction with tree sap, so choose suitable materials.

Common mistakes when bending trees include:

  • Winding wire too tightly damaging tree bark
  • Not paying attention to the natural structure of branches
  • Winding wire unevenly
  • Bending branches excessively can cause breakage

Common Bonsai Styles for Beginners

Bonsai has many basic styles suitable for beginners, each with its own meaning and shaping technique.

Formal Upright Style (Chokkan) is a vertical style with the trunk creating a 90-degree angle with the ground. When bending, ensure the main trunk is straight from the base to the top, with branches distributed evenly around the trunk. Suitable for trees with naturally straight trunks such as pine and cypress.

Slanting Style (Shakan) has a trunk inclined at an angle of 15-30 degrees from the ground. When creating this style, bend the main trunk to lean to one side, with branches facing both sides and the opposite side to create balance. Roots on the inclined side need to develop strongly as a fulcrum.

Semi-cascade Style (Han-Kengai) has the top curving down to the level of the pot rim. When bending, use wire wrapped around the trunk and gradually bend it downwards. Often requires using a deep pot and a support pillar in the early stages.

The best time to shape is late summer (around July) when the tree has strong vitality and is easy to bend. Use aluminum or wire suitable for branch size to avoid damaging the tree.

Care After Bending

After completing the bending process, proper bonsai care is a decisive factor for the tree to adapt to the new shape and grow healthily. In the early stages, place the tree in a location with good light but avoid direct sunlight, helping the tree recover without heat shock.

Watering regime needs special attention, avoid over-watering causing root rot. An effective tip is to use rice water that has been left for a few days to sour and then water the tree.

Fertilization needs to be done with the right dosage and periodically so that the tree has enough nutrients to recover after the bending process. However, avoid fertilizing too much as it will harm the tree.

Signs that the tree has adapted to the new shape include:

  • New leaves grow green and regular
  • Branches are sturdy, keeping their shape after removing bending wire
  • No wounds or signs of stress appear on the tree
  • The tree continues to grow in the direction of bending Continue pruning regularly to maintain the shape, especially at the top and outer edges where the tree concentrates strongest growth, helping the inner parts develop evenly.

How to Remove Wire and Adjust Tree Shape

Determining the right time to remove wire is a decisive factor for the bonsai shape to be perfectly defined. The ideal time to remove wire is when the wire has eaten into the bark about 1/3 of the diameter. This is when the branch is relatively stable in shape. If the wire is removed too early, the branch may return to its original shape, while removing it too late will leave deep marks that are difficult to fix.

When removing wire, follow the rule of removing from the top to the base - opposite to the initial wire winding process. This helps avoid damaging the tree bark and ensures the branch shape is maintained. Use specialized wire cutters to cut the wire at small sections instead of pulling the wire out.

After removing the wire, carefully observe the tree shape and adjust if necessary. Gentle bending by hand can be done or temporary props can be placed to maintain the desired shape. With Literati style Ficus, for example, after removing the wire, some branches may need to be re-bent to perfect the posture.

To maintain the tree shape after removing wire, ensure the tree is placed in a suitable light position and pay attention to preventing pests and diseases for the tree to grow healthily.

Common Mistakes and How to Fix Them

Bonsai beginners often make the mistake of winding wire too tightly, damaging branches and tree bark. When winding wire too tightly, the tree bark can be damaged, even breaking branches. To fix this, wind the wire with moderate force and place protective pads at contact points.

The next error is not paying attention to the natural structure of the branch. Each branch has its own growth direction and elasticity. Observe carefully and bend according to the natural growth direction of the tree, avoiding excessive forced shaping.

Bending trees at the wrong time is also a common mistake. The ideal time to bend trees is in late summer (late July to early August), when the tree is growing strongly and young shoots turn dark green.

Some other common errors to avoid:

  • Forgetting to fix the tree firmly before bending
  • Not removing bending wire at the right time
  • Winding wire unevenly, causing imbalance
  • A typical case is when bending black pine: many beginners wind wire too tightly causing bark damage and affecting the future development of the tree.

Conclusion

The art of bonsai bending requires patience, technical understanding, and regular practice. Through the basic techniques presented, beginners can step by step get acquainted and develop a passion for bonsai. Remember that each tree has its own characteristics, and shaping needs to respect the natural development of the tree.

To succeed in the art of bonsai bending, you should:

  • Start with simple styles like formal upright or slanting style
  • Learn from experienced people or join bonsai clubs
  • Accept mistakes and learn from each bending session
  • Focus on the health of the tree rather than instant beauty
  • Practice regularly to improve skills
  • The journey to master the art of bonsai has no final destination but is a continuous learning process, where each work reflects the soul and sophistication of the player.

Related Posts