Hinoki dwarf cypress tree ( Chamaecyparis obtusa ) and Sawara dwarf cypress ( Chamaecyparis pisifera ) are unremarkably calledfalse cypress . The plants are fantabulous varieties for container grow and bonsai , but many varieties , like Reis Dwarf , the fernlike Filicoides , bright yellow Lemon Thread and golden - bequeath Nana , are eye - catching specimen alfresco in the garden , as well . Generally resistant to diseases and blighter , gnome cypress can once in a while support from insect , bacteria or cultural problems that cause the foliage to work brown .
Insect Pests
Aphids , scale insects and spider mite may infest dwarf cypress plant . The dirt ball suck the juices from the foliage , often turning it yellowish or brownish . These insects are tiny , but can damage large sections of the flora . wanderer mites wander tiny web that may be visible on the leafage . Scale insects leave behind a mucilaginous substance called honeydew that appeal ants and often grows sooty or black mold , further harming the industrial plant .
Fungal Infections
Juniper blight , due to Phomopsis juniperovora , sour the confidential information of the cypress acerate leaf brown . New maturation turns chocolate-brown and die during its first summertime . The plant begins to die back as the transmission gird one stem after another , progressing to the main stem . If the industrial plant ’s chief stem is less than 1/2 inch thick , the fungus can deaden the fore and kill the entire works . If the brown needle begin turning a dull gray , the problem might be juniper blight .
coniferous tree like dwarf cypress may suffer from various form of rot that grow the foliage brown . Rhizoctonia and Phytopthora root rots infect the hush-hush parting of the plant , affecting the above ground part . Both infections may cause dampen off , which causes seedlings to drop dead .
Cultivation Problems
gnome cypress plants that turn first move around icteric , then move around brownish and die may be suffering from chlorosis . Chlorosis may be get by deficiency of Fe or other nutrients in the soil , combat injury , stress or improper tearing . nanus cypress tree call for full to fond sunlight , good drainage and plenty of water . Too much or too little Christ Within or water can stimulate the works to plough brown and eventually cash in one’s chips . Take a soil test to be certain the flora has approach to the proper food . Apply a foliar nebulizer to serve the plant green more quickly .
Treatment and Prevention
Keep dwarf cypress healthy to help oneself it resist or reclaim from disease and dirt ball attack . Re - evaluate your fecundation , watering and pruning practices to be sure the industrial plant has the proper care and you are not accidentally spite it with horticulture tools or lawn lawn mower . Keep plant rubble make out from the soil beneath the midget cypress to eliminate any louse or fungal spores that may be lollygag . If the plant has a fungal infection , prune forth and put down infected areas . utilize a Cu - based antimycotic or a fungicide containing macozeb to treat the contagion . Check the label for practical software and use command . To carry off aphid , spider mites and scale , first taste spray the cypress with the garden hosiery . Use a strong stream of water to knock the grownup insects and larvae off the plant . If that does n’t play , use insecticidal soap to suffocate the insect .