Many people mistakenly believe that crown reduction and tree topping are the same thing. But there are significant differences. Professional arborists generally avoid topping. It removes a tree’s top growth indiscriminately and can quickly weaken or kill the tree. In fact, many places prohibit it.
What Is Tree Topping?
Many cities prohibit topping on city-owned trees, and arborists use it sparingly. Basically, topping uses random heading cuts to limit a tree’s size, and those cuts destroy the crown structure. Expert arborists agree that topping should never be used as the main pruning technique. Use it only on an unwanted tree you plan to cut down anyway. Topping causes several problems. The remaining stubs and side branches are too small to produce and move food for the whole tree. As a result, the tree makes less energy. Topping also triggers fast, weak water sprouts that permanently disfigure the tree.
What Is Crown Reduction?
Crown reduction is precise, selective pruning that reduces a tree’s size while improving its health, shape, and appearance. It is the main technique arborists use. It shrinks the crown without weakening its structure. Arborists reduce the height and spread of the crown and open it up so air flows through the canopy. Careful trimming can also help fruit trees produce more, higher-quality fruit. In addition, a smaller crown lets in more air and sunlight.
Tree Topping vs Crown Reduction: Choose the Safer Option
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