WebOct 27, 2024 · The black scabs on these Silver Maple leaves are signs of tar spot, a common fungal disease that also affects Norway, Red and other maples as well as willows, holly … WebNov 20, 2024 · Jennings said sugar maples, a native species, “seem to be resistant, or at least not show the typical end of season black spots. “Tar spot (or some other diseases that don’t outright kill ...

What Is Maple Tar Spot Disease? - Vista Tree Management

WebAug 26, 2011 · When to control tar spots on maples. Although tar spot symptoms are readily visible now, pause for a moment to consider the overall impact on tree health and … WebJul 22, 2024 · Black raised spots on Maple leaves are most commonly the result of a fungal disease known as Tar Spot (Rhytisma acerinum). The issue is largely cosmetic as Tar Spot doesn’t have a long-term effect on the trees’ health with affected leaves. Unfortunately, because fungal spores are carried on the wind, it is virtually impossible to completely ... flzg

Unsightly black spots on maple leaves won’t harm trees

WebJul 20, 2024 · Maple Tar Spot is caused by one or more species of the fungus Rhytisma. Like many other fungi, Rhytisma has an annual life cycle that includes dormant … WebTar spot is a leaf spot disease caused by the fungus Rhytisma acerinum. It is seen most commonly on sycamore, but can also affect a number of other Acer species. The spots … WebOct 23, 2024 · The sudden appearance of spots or other lesions may leave gardeners wondering what could possibly be wrong with their plants. Luckily, many foliar issues such as Japanese maple tar spots, can be easily identified and managed. Tar spot of maples is fairly common and, like many other foliar issues in trees, spots on Japanese maple leaves … flzb-0.5