Poplar

Poplar: Tent caterpillars

Poplar: Tent caterpillars categories: Ornamental trees Ornamentals Poplar Poplar Insects revision date: 2023-04-12 12:00 Tent caterpillars and webbingPhoto by: R.S. Byther Biology Two species of tent caterpillar are common in Washington. The forest tent caterpillar is about 2″ long at maturity and has a bluish body with black and white markings. This species makes silk […]

Poplar: Marssonina leaf spot

Poplar: Marssonina leaf spot categories: Ornamental trees Ornamentals Poplar Poplar Diseases revision date: 2022-11-28 12:00 Poplar Marssonina leaf spotPhoto by: R.S. Byther Biology Marssonina leaf spot is a fungal disease which is favored by wet weather. Leaves develop spots or flecks which are initially bronze or brown with yellow edges. These spots enlarge and may […]