A natural mosquito repellent for those who want to avoid chemicals. The leaves of the mosquito plant can be crushed and rubbed on your skin to gently repel mosquitoes. The citronella plant is a type of scented geranium that has a smell similar to citrus. Plant in pots around your patio or in the landscape for a fragrant and lush green option to repel mosquitoes. They like warm dry climates and and afternoon shade.