How Do You Troubleshoot A Diseased Lilac Bush?
As one of the most fragrant flowering shrubs, gardeners throughout the United States enjoy lilacs, and they can choose from 28 species of the plant and over 100 different cross-breeds, according to Washington State University. Lilacs are durable and reliable plants that are able to withstand winter temperatures of up to 50 degrees below zero. However, when affected by drought or poor nutrients, these shrubs can succumb to disease. Learning how to troubleshoot common lilac diseases will aid you in caring for your lilac bush. Examine the leaves of the shrub. Damage with brown spots along the margins and central vein points to lilac blight, while discoloration along the veins and edges points to leaf scorch and holes or tatters points to leaf tatter. Yellowing of new foliage indicates micronutrient chlorosis, which is a lack of a needed nutrient. Look at the bark on the bush. Splitting bark is rarely serious, although it can allow disease organisms into the plant, but diffuse or target-sh
