pests


Lilac Shrub Diseases   Ascochyta Blight   Symptoms In the Spring, the current year’s shoots and flower stalks are girdled, wilted, and brown. The base of the dead area is tan to gray and shriveled. In wet weather, dark gray pimple-like fungal fruiting structures dot the dead tissue. In Summer […]

Lilac Shrub Diseases


Anthracnose   Symptoms Leaves develop irregular water soaked or blackish green blotches that eventually turn black or brown. The blotches develop from the margin inward and are usually limited only by the midvein. Leaflets curl toward the blighted area. Ash anthracnose symptoms develop in mid spring and are often followed […]

Ash Tree Diseases


Ash, Oak, Sycamore, Maple, Dogwood, and many other deciduous hardwoods are susceptible to a leaf disease called anthracnose   Symptoms Include: Small dead spots on leaves Dead leaf margins and tips Brown, dead areas along leaf veins Large dead blotches between leaf veins Premature defoliation Twig death Bud killing early […]

Anthracnose on Shade Trees