Lemon Grass for Mosquitoes - Thai lemongrass contains citronella oil, the strong scent of which makes it hard for mosquitoes to find you. At the same time, lemongrass is a beautiful mounding perennial. Container Gardening, Gardening Tips, Natural Mosquito Repellant, Citronella Oil, Grass Seed, Plantar, Ornamental Grasses, Plantation, Plants Online