Lemon Grass a.k.a. Mosquito Grass is a great way to deter mosquitoes. The strong citrus odor drives mosquitoes away. Not only is a great patio plant but Lemon Grass can be used in cooking Oriental cuisine, adding a light lemony taste. Mosquito Grass is a fast-growing clumping grass that is great in containers. It is a hardy plant but can be brought indoors and used as a houseplant.