Do Essential Oils Like Peppermint Drive Wasps Away?

Zhang et al. (2013) tested 21 essential oils against yellowjackets and paper wasps using attractant-baited traps and found 17 significantly repellent, with peppermint on that list alongside clove, lemongrass, spearmint, wintergreen, rosemary, lavender, and others. Two specific blends — a three-oil mix of clove, geranium, and lemongrass, and a four-oil version adding rosemary — fully blocked wasps from the bait in their trials. Boevé et al. (2014) ran a separate screen of 66 samples against a different wasp population and again found real, dose-dependent repellency, with wintergreen, marjoram, and mint-derived compounds among the most reliable. Both studies identify the active compounds as volatile plant chemicals — menthol/menthone, eugenol, and similar — that appear to interfere with how wasps use scent to find food.

Neither study measured how long the repellent effect lasts on a real patio, so there's no evidenced reapplication schedule — treat any specific timing claim you see elsewhere as unverified. More importantly, this is a spatial repellent, not a nest treatment: it keeps foraging wasps away from a treated area while the scent is present, it does not kill a nest or remove one. If there's an actual nest nearby, this remedy doesn't touch it — see /top-diy-methods for that separate question.

This is the one remedy on this hub where the popular claim and the controlled research agree. It's worth noting that Boevé et al. specifically found DEET, the standard synthetic repellent people reach for against other insects, performed poorly against wasps by comparison — a genuine case where a natural approach outperformed the conventional one in testing.