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Vladik from Duncan, Sc writes

Will Ultra-Pure Oil work on whiteflies in the grass?


Ultra-Pure Oil Horticultural Insecticide, Miticide and Fungicide is not labeled to treat whiteflies in the lawn.  Bifen IT is one of the most popular products for whiteflies but you may need to repeat applications to maintain control.  It can be applied every 7 days as needed for active infestations, then once a month for maintenance. In addition to a foliar spray with Bifen, using a systemic product such as Adonis 2F to control whiteflies has proven to be effective.

Answer last updated on: 08/31/2017

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