camelia plants are susceptible to a diversity of diseases have by fungous contagion , viruses and cultural job . The best method of electric resistance is keep your camellia as vigorous as possible through right maintenance . Camellias flourish in shaded area and prefer slightly acidic , well - draining soil deep in constitutional content . A 2- to 3 - in layer of mulch benefit camellias with increased moisture retention .
Leaf Gall
Leaf gall disease of camellia is a fungous infection because of the fungus Exobasidium camelliae . Generally appearing during spring growth of camelia plant , leaf gall make the presence of misshapen leaves and shoot that grow too large and wooden-headed , according to the Clemson University Extension . The clean green leaf color changes to a pink or snowy chromaticity , and the affected spots , called galls , open underneath leaf surface , free white spore ; the galls wrench brown and become severe . Though damage is usually only mild , control condition methods are available . For direction , remove and ruin regard leaf parts , admit farewell that have drop from the plant , and keep camellia out of too moist shade region , as these sites supply an ideal environment for fungal development . Additionally , if you fear your plant is extremely susceptible , apply a prophylactic fungicide such as mancozeb at budbreak through June first every one to two weeks .
Camellia Yellow Mottle
Camellia xanthous mottle is a virus of camellia plant overspread by septic roots during propagation . Leaves take on a mottled coming into court with a variety of abnormal , yellowed or spotted patterns ; or , the green leaves may transform whole to a lily-livered hue . Flower blossoms exhibit clean spots when infect . Choose resistant cultivars and plant only healthy camelia as a control method ; no chemical treatment cure is available .
Oedema
Oedema is a cultural trouble because of inappropriate environmental condition . Oedema make the incidence of an outbreak of swelling on leaf and stem Earth’s surface , according to the Clemson University Extension . The protrusion swell from belittled light-green / bloodless spots into rust - imbue formation with a spongy grain . Overwatering is the main crusade of hydrops . Diseased leaf suffer due to excessive H2O in the dirt ; roots given more piss than the camellia can handle quickly absorb everything in their presence , and the leaves become inundate with water supply . For control , furnish well - draining grease to your camelia and admit land to dry out out between waterings , peculiarly just after rain or if your mood is humid .
Sunscald
Sunscald is make by overexposure to the Sunday . Leaves come out burn with bronze color area continue parts of the plant that confront the sun . As damaged or accentuate plants are more vulnerable to infection by pathogen , a fungal contagion may occur , stimulate foliage spotlight in addition to the sunscald . For control , plant camellias in the shaded areas they need or increase shade if Lord’s Day photo prove too utmost . Remove affect leaves , as they will not return to health .
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