Unhappy Yew - Knowledgebase Question

New York, NY
Avatar for rhansen5
Question by rhansen5
July 8, 1999
I have a young potted yew located on an outdoor balcony. The leaves are turning yellowish-brown and the top of the plant has a white web infestation with white lice type parasites.
What can I do to treat it and will they affect my other plants?

Answer from NGA
July 8, 1999
From your description I'd guess Spider Mites have infested your Yew. These tiny little creatures are often hard to spot but the webbing they leave is a give-away. Spider Mites like hot, dry conditions, which are also favored by your Yew. Try washing the plant off with a strong stream of water from the hose to dislodge the insects. Repeat at 2-3 day intervals for a week or two. To prevent future attacks, hose your plant off occasionally or mist the leaves to increase humidity around the plant.

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