Euonymous scale treatment - Knowledgebase Question

Pittsburgh, Pe
Question by erikkayo
March 18, 2010
I have a HUGE infestation on my Euonymous bush and I'm not sure if it will survive.What is the MOST effective pesticide to treat the Euonymous scale on my bush.

Answer from NGA
March 18, 2010


Horticultural oil will suffocate the scale insects but it can also burn the newest, most tender foliage. If your goal is to kill the scales and you're willing to put up with some dead foliage, horticultural oil is the treatment of choice. Otherwise, insecticidal soap can be used. Several applications will be necessary to get full control of the insects, though. Hope you're able to control the pests!

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