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Question

where can I find lime-sulphur spray??
I live in Clatskanie Oregon.

Answer 1

Lime sulfur, calcium polysulfide, is so caustic that EPA now requires a pesticide license to use it. Extensive personal protective gear is necessary. I doubt that it is available to home gardeners but is still available for farm/crop usage. Here is one caution label, to give you an idea of the hazards to users. http://cru66.cahe.wsu.edu/~picol/pdf/WA/30892.pdf