To maintain effectiveness, how frequently must taste deterrents, like those containing putrescent egg solids, be reapplied?
Answer
Frequently, especially after rain
Repellents that rely on scent or taste deterrents, such as those formulated with strong herbal oils or putrescent egg solids, require consistent maintenance to remain effective against nocturnal feeders. Because these applications are usually topical sprays or coatings on the plant surfaces, their efficacy is quickly diminished by environmental exposure, most notably rainfall. Therefore, the gardener must be diligent in reapplying these treatments frequently, ensuring maximum strength is maintained, particularly following any significant precipitation event that would wash the active ingredients away.
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