spider mites - Knowledgebase Question

Cranberry Township, Pe
Question by franjo
February 23, 2011
I have a Dwarf Alberta Spruce which i have been told I have spider mites. How can I kill these spider mites? What type of pesticide do you recommend? Is there also an organic method that I can use?


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Answer from NGA
February 23, 2011

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Spider mites are easier to discourage than they are to control. These pests like dry, dusty conditions so simply hosing your plants off twice a week should keep the spider mites at bay. They can spread to other nearby plants so hose those off periodically as well. The simplest approach to control is spray the foliage thoroughly with a garden hose or spray bottle. Dusting sulfur can be applied when the temperature does not go over 90 F (hose the sulfur off after a day or so). Special sprays (miticides) can also be purchased, but hose washing or sulfuring the foliage is simpler and quite effective.

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