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Sherry from Storrs, Ct writes

Is Bonide All Seasons Horticultural Spray Oil ok to use for spider mites on an Alberta Dwarf Spruce?

Answer:

Per the product label, Bonide All Seasons Horticultural Spray Oil may cause discoloration of Blue Spruce. Do not use on conifers or ferns not tolerant to oil sprays (e.g. Alberta Dwarf Spruce). 

Answer last updated on: 06/28/2021

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