Good herbs that repel mosquitoes include basil, eucalyptus, cloves, geranium, peppermint, rosemary, lemon balm (citronella), onions, garlic, and feverfew. lavender
You can make your own repellent with essential oils with this recipe:
Mosquito Repellent Oil
10 drops essential oil (see list of herbs, above, for choices)
2 tablespoons carrier oil
Combine the ingredients in a glass jar; stir to blend. Dab a few drops on your skin or clothing.