Bonsai plants aren’t just popular in Japan—they’re appreciated by the rest of the world, too! 

Aside from being a beautiful natural art piece, a bonsai tree can re-energize the space, relieve your stress, and help you maintain good health. This ideal indoor plant doesn’t just increase the aesthetic appeal of your interior but can also benefit your mental health too!

Caring for Your Bonsai

Like other plants, a bonsai requires regular care and maintenance—a bonsai is a living organism, after all. 

Caring for your bonsai is not as difficult as it seems! Although they are more delicate than other indoor plants, you only have to follow a few basic rules to keep your bonsai growing and thriving.

The Key Is in the Trunk

There are many things to keep in mind when it comes to growing and caring for your bonsai, such as placement, watering, repotting, fertilisation, and pruning. But besides the fundamental care tips, you should also place importance on thickening your bonsai’s trunk.

To an ordinary tree, the trunk provides shape and support and transports water and nutrients from the soil to the leaves. This is also true for bonsai trunks, but besides these, the trunk also affects its lifespan and beauty. 

Trunk thickening aims to make the bonsai look more mature than it actually is. Not only does a thick trunk ensure its longevity, but it also helps achieve the highly treasured aged appearance.

How to Thicken the Trunk, Fast

Thickening the trunk takes time; it may even take two or three years before you start seeing any changes! If you don’t want to wait that long, one technique can hasten the thickening process. By splitting the bonsai’s trunk, you can achieve trunk thickness and see results almost instantly! 

Keep in mind that this method is not recommended for all tree types. It’s recommended to use Juniper, Chinese Elms, Ficus, and Boxwood for trunk splitting. As long as you have the right bonsai tool kit and tree type, you’ll be able to have a thicker bonsai trunk in no time.

The Trunk Splitting Process

Trunk splitting may be the fastest of all the trunk thickening methods, but the process must not be dealt with haste. To successfully produce an immediate difference in trunk thickness, you must learn about the steps involved and carry them out with care and accuracy.

  1. Brush off the soil from the roots. Remove the bonsai from its container and hold it upside down. Make sure that you have brushed away all of the soil from the roots. 
  1. Split the trunk down the middle. Using a saw or rotary tool, carefully split the trunk down the middle until you reach the halfway point, but not any higher.
  1. Re-pot the tree. Once you’ve split the trunk, you must now re-pot your bonsai and help it heal. Use pieces of wire or wooden wedges to keep the two parts of the trunk separate. To speed up the healing process, make sure to plant it in a large pot.


Bonsais are wonderful miniature trees that add a refreshing feel to a room. If you want to preserve the beauty of your bonsai for a long time, you must learn how to care for it and enhance its appearance through trunk thickening. Make sure to have the right bonsai tools and learn the proper steps to produce beautiful, aged greenery.
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