Fusarium wilt in Japanese maple Fusarium wilt can impact deciduous shrubs and trees, including plants like maple, redbud, tulip trees, various annuals and perennials, as well as other plant species found in the Treasure Valley. This disease is most commonly observed in Japanese maples, and we feel it’s crucial to inform Treasure Valley residents regarding this problem. While it is extremely prevalent in Japanese maples, it poses less of a threat to shade-type maples. Fusarium
