leyland cypress - Knowledgebase Question

zebulon, No
Question by moms27597
July 2, 2010
leyland cypress are at least 15ft this yr. the branches on some of the inside are turning yellow and some have a white powder dust on them


Image
Answer from NGA
July 2, 2010

0

The white powdery dust is most likely powdery mildew. You can use a fungicide such as Banner to control the disease. Be sure to apply according to label directions.

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