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Plants don’t repel mosquitoes — citronella plants won’t keep them away

Many gardeners buy so-called “citronella” plants (usually scented geraniums) thinking their lemony scent will repel mosquitoes — but it doesn’t.

Published Jul 16, 2026, 6:04 AM EDT | LehighValleyLive

A lot of gardeners buy so-called “citronella plants” each year (most often a type of scented geranium) because they believe the lemony scent repels mosquitoes.