There are several plants that can repel mosquitoes naturally. Here are some of the most effective ones:

1. Citronella: This plant produces a strong, citrus-like scent that mosquitoes dont like. It can be grown in your garden or as a container plant.

2. Lavender: This plant produces an oil that is highly effective as a mosquito repellent. It is easy to grow and drought-tolerant.

3. Marigolds: These plants contain pyrethrum, a compound used in many insect repellents.

4. Catnip: This plant contains nepetalactone, a compound that is 10 times more effective at repelling mosquitoes than DEET.

5. Rosemary: This herb has a woody scent that keeps mosquitoes away.

6. Basil: This herb contains compounds that are toxic to mosquito larvae, making it an effective natural mosquito repellent.

7. Peppermint: This plant contains menthol, which is a natural insecticide.

8. Lemon balm: The strong lemon scent of this plant contains high levels of the bug-repelling compound.

9. Nasturtiums: These plants contain a chemical that repels whiteflies, aphids, and squash bugs, as well as mosquitoes.

10. Floss flower: These purple flowers produce an aroma that mosquitoes arent fond of.

11. Scented geraniums: These plants contain citronella oil, which is a natural insect repellent.

12. Sage: This herb has a strong scent that repels mosquitoes.

Plant these plants in areas where guests will be often such as by a seating area or a doorway.