Only Half Of My Japanese Maple Is Blooming

Question

small tree -branches seem very dry not budding on one side

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Answer 1

It could be verticillium wilt, a fungal disease. It often shows symptoms on one side only. Here is more:

https://www.gardeningknowhow.com/ornamental/trees/japanese-maple/japanese-maple-problems.htm
https://www.gardeningknowhow.com/plant-problems/disease/verticillium-wilt-treatment.htm