Bonsai Training Wire: What is the Best Wire For Bonsai?

Wiring Bonsai

One of the most important aspects of training a bonsai tree is bonsai wire. If you’re trying to reshape a Bonsai tree, you’ll need a wire to achieve the perfect size and shape. Be sure to use the best wire for bonsai tree training.

People often ask what type of wire is the best to use. The answer is that it depends on the type of bonsai tree you have and what kind of wire you want to use. This article will help you make the right purchase decision.

Types of Bonsai Training Wire

Bonsai trees can be challenging to maintain, but one essential basic used to preserve the tree’s health is the wire used for styling. 

Any gardener can create a beautiful tree with minimal damage with the correct bonsai wire. 

There are two types of wire that bonsai enthusiasts use for styling purposes. These are Annealed Copper and Anodized Aluminum wires. 

Let’s look at what these wires are used for and how they can help with the reshaping and growing of your bonsai tree.

  • Annealed Copper Wires

Copper wire is most often used in most bonsai applications because of its strength, flexibility, and corrosion resistance. It offers stability, preventing branches or trunks from springing back into their original position once wired.

Annealed copper wire is preferable for most bonsai training because it has been heated to make it easy to work.

  • Anodized Aluminum Wires

This type of wire is “anodized” aluminum, protecting it against corrosion. The anodized aluminum wire is darker colored than copper wire and may be easier for beginners because it is less expensive than copper wire and softer to use.

Size of Bonsai Wire To Use

Bonsai - Bonsai

“What is the specific size of Bonsai Wire to use?”

That’s what others ask when they plan to wire a bonsai. 

For instance, there is a rule of thumb that you must follow. The wire size you should use is about ⅓ of the thickness of the branch to be wired. Hence, always use thicker wires for thicker branches and thinner ones for the thinner trunks.

Specifically, Bonsai wires are available in sizes ranging from 1 mm to 6 mm. The length of the wire you will use for the branch and trunk of your bonsai should be 50% longer than the branch you’ll be wiring. 

It makes it easier to achieve various bends without breaking the branches. But make sure that the wire you will be using is good on the bonsai type you have.

Bonsai Wires Pros and Cons

Bonsai trees are beautiful living art pieces, but they require some maintenance to keep them healthy and looking their best. Applying wire to the bonsai tree is vital for shaping the branches.

However, you may be wondering whether or not to wire your bonsai tree to create an even more complex shape. 

Therefore, we need to discuss the pros and cons of bonsai wire before deciding which route you should go.

Here, we create a table for you to know the pros and cons of the two types of wires available. These can help you which wire is best for your bonsai.

Bonsai Wire Type Pros Cons
Annealed Copper 
  • More stable and stronger
  • Works well for harder trunks like conifers
  • Copper wire with PVC coated is very advantageous to use since its coated cover can protect the Bonsai branches and trunk from scarring.
  • Difficult to shape
  • Less favorable to choose for beginners since it is harder to use.
  • It can cut soft branches and trunks because of its rough surface.
  • The PVC coated wire is visible due to its bright color. It is not used for display.
Anodized Aluminum
  • Easier to handle and easy to bend.
  • Its smooth surface is the reason why it is good to use on deciduous bonsai trees for reshaping.
  • It is invisible to the eye because of its brown color.
  • It can be used repeatedly.
  • It does not react with water, soil, and fertilizer.
  • Ideal to use for Bonsai Shaper Beginners. 
  • It can be purchased online.
  • Very costly
  • Since it is smooth, it is not stronger than copper wire.

What is the Best Wire for Bonsai?

Bonsai wire is a necessary tool for the cultivation of bonsai trees. It helps to shape and train a bonsai tree into its desired form, and if used correctly, will not harm the tree.

There are two types of bonsai wire that you can use depending on the bonsai type you have. These are Annealed Copper and Anodized Aluminum.

Both of these types can be used, but they have different advantages and disadvantages.

If you have a conifer bonsai type, we recommend using copper wire rather than aluminum. Since the copper wire is more stable and robust, it is ideal for hard trees. Thus it isn’t easy to work with.

But if you are a beginner and think of applying wire for your bonsai at your home, you can use aluminum wire instead of copper wire.

Unlike copper wire, aluminum wire is easily malleable and easier to handle. But it is ideal for deciduous trees. 

However, aluminum wire is very costly, but it can save you money because it can be used repeatedly. You can buy aluminum wire in any legitimate online store.

We hope that this blog helps with your purchasing decision and provides you with the information necessary to get started with your very own bonsai tree.