Mosquito-Repelling Plants
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Most Effective Mosquito-Repelling Plants
The most famous is Citronella, but many common garden herbs and flowers are actually quite effective. However, there is a catch: most of these plants only work well if their leaves are crushed or burned to release their essential oils.
Citronella
Citronella Grass contains high levels of citronella oil, the standard in natural repellents. It is best to plant in large pots near patios.
Catnip
Catnip contains nepetalactone, which some studies say is 10x more effective than DEET. Best if leaves are crushed and rubbed on skin.
Lavender
Lavender fragrance hinders a mosquito's ability to smell; they find the oil repulsive. It is best to use dried sachets or rub fresh oil on skin.
Basil
Basil is one of the few plants that gives off a strong scent without being crushed. Best to keep pots on outdoor dining tables.
Marigolds
Marigolds contain pyrethrum, a compound used in many commercial insecticides. It is best to plant as a "border" around entryways.
Rosemary
Rosemary has a woody scent that mosquitoes hate. It is best to toss sprigs on a grill or fire pit to create repelling smoke.
Tips for Better Results
Crush the Leaves: Simply having the plant in the room usually isn't enough. You often need to "bruise" the leaves to release the oils into the air.
The "Beautyberry" Exception: The American Beautyberry (Callicarpa americana) is a rare plant where just rubbing the leaves directly on your skin provides significant protection.
Eliminate Standing Water: No plant can beat a breeding ground. Ensure there is no stagnant water in saucers or gutters where mosquitoes can lay eggs.
Airflow: Mosquitoes are weak fliers. Using a simple outdoor fan alongside these plants is often the most effective "low-tech" solution.
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