Photinia Bacterial Leaf Spot
Photinia bacterial leaf spot is easily spotted by round darkish spots that spread very quickly by rain bouncing of fungal infected leaves to others during our rainy springs.If left untreated the plant usually dies within a few short years.

one of the major factors that contributes to the infection is over pruning. over punning to keep the plant the confines of Portland's compact properties is usually the culprit.

Organic Aplication:
4-6 Applications of organic fungicide for severely infected plants the first year usually gets the plant or hedge on the road to recovery.

The first pic is May and the 2nd is 1 year later may