Date: 9 September 2018: From: Jim C: QUESTION: I have just planted some red robin they are all about 3ft tall I mixed the soil with bone fish and blood should I keep them watered regularly or just when it is dry. Red tip photinia (Photinia fraseri) are particularly susceptible to root fungal diseases in poorly drained soil. A mixed hedge will be more resistant to photinia bush diseases if the susceptible shrubs are placed farther apart. Once the fungus takes hold in the red tipped photinia, the disease’s circles continue to grow and merge until large unsightly “sores” cover the dying leaves. Yours looks like it's had a bit of both. Photinia robusta 'Red Robin' Featured in collections 'Retro' or 'Reminiscent' - Trees that have defied the test of time Tried and tested over the years and still proving to be very popular due to their great performance in the garden. The Dogs Trust does not list Photinia Red Robin as being poisonous to dogs. Prized for their glossy green leaves, white flowers and red shoots, photinia plants are often planted as specimens or as hedges. Diseases, pests, and problems with Photinia Although Photinia is very resilient and won’t often get diseased, sometimes the following may occur. The red tip photinia (Photinia x fraseri) is a popular shrub used as a fence row in the eastern half of North America.The oval leaves of photinia plants start out red but turn into dark evergreen after a couple weeks to a month. Once the fungus takes hold in the red tipped photinia, the d… Many thanks. Remember, the spores don’t travel very far. A care appropriate to the species is rewarded with a photinia which has a high potential of resistance. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Photinia Red Robin also works well in a mixed hedge or planted in a Laurel hedge. This is sometimes caught … Do not repeatedly trim endangered shrubs to encourage the new red growth. They can also get fire blight which makes the leaves go brown but from your description I'm not thinking it's that. The main culprit among photinia bush diseases is Entomosporium mespili, the fungus that causes photinia leaf spot. Hi there. First of all, understand that neither photinia nor Indian hawthorn can stand “wet feet” or tolerate poor drainage. In the case of this VERY easy large and fast growing shrub  as dovefromabove said, it won't want to be in a pot. If trimmed twice a year (spring and summer) Photinia can be kept as a … Be aware, however, treatment must begin early and be repeated every 7-14 days throughout late winter and spring and again in the fall when the weather cools. The one exception is its vulnerability to leaf spot fungus. In severe cases, spots grow until the entire leaf is weakened and falls off. Photinia x fraseri is a large, hybrid (P. glabra and P. serrulata), evergreen shrub that typically grows to 10-15' tall and as wide.It is often commonly called red tip or red top (particularly in the deep South where it has been frequently planted) in celebration of the bronze red to bright red new leaves that emerge at the twig tips each spring. During the spring, the photinia also has small white flowers that produce red fruits, that often last into the winter. Tiny, round red spots appear on leaf surfaces and because the leaf color of the new growth they attack, the darker red spots are easy to ignore. Powdery mildew and fireblight are also potentia… These spores are released into the air in late winter or early spring where they land on any nearby photinia bush. I'm new to gardening. Unhealthy roots are the problem. The red tips of new growth that made these shrubs so popular are particularly vulnerable to the ravages of the photinia bush diseases and over the years, photinia leaf spot has destroyed countless shrubs. This disease appears as red spots across the leaf surface. If Photinia are left unchecked the hedge can become leggy and sparse. Brown spots or patches in the middle of the leaf usually means it's been waterlogged. Photinia Red Robin Poorly. Photinia x fraseri ‘Little Red Robin’ This is a dwarf variety of red tip photinia that grows to around 2 or 3 feet tall, with a similar-sized spread. I'll be very grateful for your advice. Photinia (Red Robin) Kay is usually grown for its beautiful red leaves and these appear on newly formed shoots and regular pruning will encourage … s causing the leaves to go brown. However, the common denominator between last year and this is the presence of cool, wet springs--cooler and wetter than 'normal.' That's why I have mine in partial shade snuggled hiding from winds whistling down the valley and behind a copper beech hedge. Photinia is known to be susceptible to Phytophthora root rot. 8 Trees. In a matter of days, the spots enlarge and eventually become dark purplish circles surrounding gray, dying tissue. They need to be sheltered because they aren't too keen on icey winds and severe frosts. Common name: Christmas berry. Photinia serrulata NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. The first signs of photinia leaf spot are almost unnoticeable. Normally when a plant wilts and there is plenty of moisture in the ground like we have presently, there is a problem with the root system. ianmwiffen Posts: 3. The photinia fungus usually spreads from new growth to old only because of the new leaves making it easier for the spores to take hold. The production of spores can be seen in the black blotches inside the circular damage. It is mainly fungal infections which lead to health problems. Symptoms of Photinia Entomosporium leaf spot 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. Photinias also produce small apple-shaped red fruits, which the birds love. Cover the area under and around the shrubs with new mulch to cover any leaf parts and photinia fungus spores that remain. There are chemical treatments available. This will increase light and airflow around the shrub and decrease the conditions in which the fungus thrives. During the rainy weather of spring, the spores continue to spread through water splashing from one leaf to the next until the entire shrub is infected. s causing the leaves to go brown. Young leaves and growth are the most affected. You can help the plant recover by keeping the leaves dry and removing diseased foliage. Learn how to grow photinia in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants. The red tipped photinia disease follows a definite pattern or cycle and it is important to understand this cycle for the treatment of red tip photinia and disease eradication. Like most plant fungi, this one thrives in the cool, moist environment of the fall and spring and attacks the most vulnerable new growth that gives the shrub its name, red tipped photinia, and the disease spreads from there. Photinia is very susceptible to the fungus leaf spot called Entomosporium that can defoliate photinia plants. Photinia is part of the rose family and it produces large numbers of small white flowers in mid to late spring. Topping. Photinia fraseri, Christmas Berry Hedge Photinia Red Robin is a very popular garden plant that makes a fantastic hedge. 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