8 Plants That May Help Deter Pests 🌿
Plants can provide pleasant scents that may discourage some insects, but they aren’t a reliable way to eliminate mice, spiders, or an established infestation.
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Peppermint — its strong aroma may discourage some insects and rodents.
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Lavender — commonly used around windows and outdoor areas for its fragrance.
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Rosemary — aromatic oils may help deter certain insects.
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Basil — its scent can be unpleasant to some flies and mosquitoes.
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Mint — strongly scented and easy to grow, although it can spread aggressively.
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Marigolds — sometimes useful around gardens for certain insect pests.
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Lemongrass — contains citronellal and related compounds associated with mosquito repellency.
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Catnip — contains nepetalactone, which has demonstrated mosquito-repellent properties.
For mice and spiders
For mice, plants are unlikely to solve a real infestation. Sealing holes and gaps, storing food securely, and removing accessible food are much more effective.
For spiders, reducing insects—their food source—and sealing cracks around doors and windows can help keep numbers down.
Also, be cautious with essential oils around pets, especially cats. Concentrated oils can be harmful even when the corresponding plant is relatively safe.
If you want, I can also give you 8 plants specifically for mosquitoes, cockroaches, flies, or mice and explain which ones actually have evidence behind them.
