Photinialeafspot fungi rest on trees during winter, waiting for the damp elements of spring to arrive. An infection starts with small, black dots on leaves that can be difficult to see. This fungus Entomosporium mespili causes leafspot on all members of the rose family, including red tip photinias. Starting as a red, brown, or black dot on leaves, the leafspot expands... The first signs of photinialeafspot are almost unnoticeable. Tiny, round, red spots appear on leaf surfaces, and because of the leaf color of the new growth they attack, the darker red... Wherever you are in the country, it is very common for Photinia to get leafspot in the first couple of years after planting due to transplant stress. Whilst considered a relatively pest and disease free shrub a frequent problem can be Photinialeafspot caused by one of two problems i) infection by a fungus known as Entomosporium... Photinia-LeafSpot. Facebook logo. Latest revision: March 2025. Small, dark reddish leafspots of various sizes scattered on the older leaves. Jay W. Pscheidt, 2020. Little spots similar to tar spots appear on leaves. This disease is rarely deadly, although it does lessen the beauty of your Photinia. Learn how to treat the disease and what causes it. PhotiniaLeafSpot.What Is Causing The PhotiniaLeaves To Yellow? Leaf yellowing in Photinia can result from over-watering, being grown in poor draining soil, or both. Named for the brilliant red, new foliage it produces in spring, red tip photinia (Photinia × fraseri) is a popular hedging shrub, but in humid conditions it develops leafspot infections. Photinialeafspot appears as small, bright-red circles on the upper and lower surfaces of leaves that are young. Spots may coalesce and form huge maroon patches. Key points. Entomosporium leafspot (photinialeafspot) is one of the most common diseases of photinia (red tip) in the landscape. Noteworthy Characteristics. Photinia serratifolia, commonly called Chinese photinia or Chinese hawthorn, is an evergreen shrub or small tree of the rose family. This produces very soft growth which is susceptible to disease and pests, especially PhotiniaLeafSpot or scab. · Fungal leaf spot of photinia is characterized by the presence of red to purple spots on the leaves. The spots are small at first, but soon enlarge and develop brown to grayish necrotic centers. Small dark fruiting bodies of the fungus can sometimes be seen in the center of the spots. · Photinia leaf spot is a fungal disease that affects Red Tip Photinia and other plants in the rose family. Learn how to identify, prevent and treat this problem with tips from Backbone Valley Nursery experts. · Entomosporium leafspot (photinia leafspot) is one of the most common diseases of photinia (red tip) in the landscape. Other names of this disease include Diplocarpon or Fabrea leaf blight. Mulching lightly with compost would probably be beneficial. In general, Photinia is a tough and vigorous plant, and the leafspots are unlikely to cause its demise.
