Same as above. Same as above. In general, holly cultivars with dense canopies that are jammed together are particularly sensitive to web blight. Warm to hot, humid weather patterns are considered essential for disease development. This disease may only occur on holly in landscapes during periods of unusually warm, wet weather.
Brown spots appear along the margin and base of the leaves.
They rapidly enlarge into irregular brown to black blotches which may encompass the entire leaf. Mats of dead leaves usually cling to the damaged shoots. Blighting of the leaves usually starts on leaves closest to the ground and spread upwards towards the shoot tips. When possible, space plants to improve air circulation. Avoid overhead watering in late afternoon or early evening.