Place potted marigolds near mosquito entry-points, such as doors and windows, or on a deck or balcony where you spend a lot of time outdoors.Place potted marigolds near mosquito entry-points, such as doors and windows, or on a deck or balcony where you spend a lot of time outdoors.
 
Not only do they make your landscape more attractive, but marigolds also have a distinct smell that repels mosquitoes.