Another common disease that can wreak havoc on your Japanese maple trees is Verticillium wilt. In general, most of these diseases are caused by fungal spores that overwinter in the fallen leaves ...

To ensure your Japanese maple flourishes to the best of its abilities ... t come into contact with the trunk to avoid rotting and disease. Make sure to keep the soil level at the same height ...

However, pruning is also worthwhile for Japanese maples to maintain their health, shape, and beauty. It also encourages new growth and improves airflow, which can help prevent disease.

and allure of these trees while encouraging new growth and better air circulation to prevent diseases. The Royal Horticultural Society advises pruning Japanese maple trees during their "fully ...