Here are 50 plants that are known to repel mosquitoes:

1. Citronella
2. Lavender
3. Basil
4. Lemon balm
5. Peppermint
6. Catnip
7. Marigold
8. Rosemary
9. Geranium
10. Eucalyptus
11. Lemongrass
12. Mint
13. Pennyroyal
14. Garlic
15. Thyme
16. Floss flower
17. Chrysanthemum
18. Bee balm
19. Lemon thyme
20. Lemon verbena
21. Sage
22. Feverfew
23. Nasturtium
24. Tansy
25. Alliums (such as onions, chives, and garlic chives)
26. Wormwood
27. Sweet Annie
28. Calendula
29. Cowpeas
30. Pitcher plants
31. Bay leaves
32. Blue vervain
33. Camphor basil
34. Lemon eucalyptus
35. Patchouli
36. Lemon geranium
37. Lemon mint
38. Mexican marigold
39. Mexican mint marigold
40. Neem
41. Rose-scented geranium
42. Vanilla leaf
43. Wintergreen
44. Yarrow
45. White sage
46. Ylang ylang
47. Cedar
48. Pine
49. Juniper
50. Vetiver

These plants can be used in various ways, such as planting them in your garden, keeping pots of them indoors, or using their essential oils to make natural mosquito repellents. Always do your research to learn about any potential allergies or sensitivities before using these plants or their essential oils.