How Do You Diagnose Curled, Brown Leaf Edges On Oak Trees?
There are many possible causes for oak tree leaves to curl up and turn brown at the edges, including fungal and bacterial diseases, insect infestation and improper growing conditions. The consequences to your trees can range from minor cosmetic damage to extensive leaf drop and even death; the earlier you can identify the source of the curled leaves, the sooner you can take action to correct the condition. It may take some detective work on your part, but with careful observation and some basic gardening techniques you should be able to troubleshoot the problem and restore your oaks to their normal leafy splendor. Examine leaves carefully for the signs of taphrina caerulescens fungus infection, also called leaf curl or leaf blister. This disease, promoted by wet foliage, strikes white and red oaks in late spring or early summer. Look for circular, raised yellowish-white spots that turn reddish brown and then dull brown or gray over time, and for blisters that merge together, causing th
