Pests and Leaf Drop on MountainLaurels. Insect pests are another common reason for a mountainlaurellosingleaves. The two most common pests are borers and weevils. Does Texas mountainlaurelloseleaves?Why MountainLaurelLeaves are Browning. Desiccation/winter burn – Brown leaves on mountainlaurels can be caused by desiccation, which occurs when winter wind draws moisture from the tissues. They are unlike florists' hydrangeas with the pink or blue flowers. Oakleaf hydrangeas are shrubs, to 5 feet tall and 6 or 8 feet wide. Their star-shaped leaves are as large as dinner plates, and the white floral bracts are borne late each spring. A mountainlaurellosingleaves may be suffering from too much sun if they are in hot, scorching light.Pests and Leaf Drop on MountainLaurels#. Insect pests are another common reason for a mountainlaurellosingleaves. MountainLaurelLosingLeaves – What Causes Leaf Drop On MountainLaurels. My MountainLaurel Is Losing Its Leaves: Reasons For MountainLaurelLeaf Drop. Pin on Puget Sound view garden. Curling leaves on a mountainlaurel may be the first sign of a serious problem. If circular cankers later appear, your laurel may have a botryosphaeria canker. While there is no cure for this, it can be treated.Why Is My LaurelLosingLeaves? Mountainlaurelleaves are often cut and used decoratively indoors for flower’ arrangements. But beware: Mountainlaurel is poisonous. One of the common names for it is sheepkill and livestock have been poisoned by ‘eating the leaves. Livestock have died from grazing on mountainlaurelleaves. The toxins cause excessive salivation, trembling, impaired vision and inability to stand. Honey made from mountainlaurel nectar contains grayanotoxins and can poison humans. Do mountainlaurelslose their leaves in winter?Does Texas mountainlaurelloseleaves? Mountainlaurel is one of the few broad-leaved plants native to Pennsylvania that do not lose their leaves in the winter. Its leaves are lance-shaped, leathery, glossy and dark green, and measure 3 to 4 inches in length.
