Sometimes this happens before the leaf is even fully mature (still red).

In severe cases, spots grow until the entire leaf is weakened and falls off.

Young leaves and growth are the most affected.

It starts off by creating spots of light swelling on leaves and then the color changes to brown and dark red, and ultimately to black or gray.

Symptoms of Photinia Entomosporium leaf spot It is a microscopic fungus that overwinters on twigs and leaves that have fallen on the ground.

Spray at two week intervals, preferably just after a rain or shower.Ī fungus called Entomosporium maculatum is what causes leaf spot on photinia.

Diligently disinfect your pruning shears, scissors or secateur with methylated spirits or alcohol between cuts.

You should pick all infected leaves by pruning them out.

Avoid pruning in summer, because this would trigger new growth that the fungus will quickly colonize.

Water only near the ground, without splashing the leaves.

Prune your photinia as a standalone into a tree shape, to avoid low-lying leaves.

Alternate Photinia with other evergreen hedge shrubs.

Plant different varieties near each other in a mixed hedge, instead of only planting Photinia.

Since the fungus spreads through splashing water from shrub to shrub, you can prevent photinia leaf spot if you : Destroy them either by burning them or thorough composting.

Rake up or collect any leaves that are infected instead of leaving them near the shrub.

Don’t spray if temperatures are below freezing.

Spray at the end of winter or at the very beginning of spring.

It’s also possible to prepare your own natural fungicide from weeds and plants that might grow in your garden.

Anti-fungal spray such as Bordeaux mixture is one of the best ways to prevent Photinia from falling sick.

Treating Photinia leaf spot disease Protecting photinia from leaf spot Read on to learn about how to treat the disease and what causes it. This disease is rarely deadly, although it does lessen the beauty of your Photinia. Little spots similar to tar spots appear on leaves. Leaves are dotted with black spots that slowly spread until leaves wilt and fall off. Photinia shrubs sometimes contract a disease called Photinia leaf spot or Photinia black spot.

Do70s has black spot on photos