In this Bonsai Video we talk about Overwintering Bonsai and everything you need to know when it comes to helping your trees through the coldness of winter.

Hi everyone! When I first got started in Bonsai, I thought "overwintering" was a complicated thing, when in fact, it is simply what we do to help trees through the cold of winter. I cover why we need to protect trees in the first place and the best ways to protect your trees, depending on whether you live in a warm or cold climate—like placing your trees in a cold frame or an unheated greenhouse.

I discuss why it is best for trees to go dormant every year and methods to get them to go dormant when you live in a tropical climate, like placing a tree in a refrigerator. This year, I decided to build another greenhouse to protect some Maple seedlings that were grown from seed. I also talk about general Bonsai care tasks like weeding, removing dead leaves, applying a winter wash, removing algae from your Bonsai benches, and the watering and fertilization needs of your trees.

It's important to note that different species of trees have different cold tolerances and needs during winter. Some can endure the frost while others need protection. Depending on the species in your collection, I recommend researching the trees as I cannot cover every tree that may have exceptions to the general rules. If you have any overwintering bonsai tips that I did not cover in this video, please share them in the comments!

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