It looks like I have black seeds on my citronella geranium plant leaves. . Is that common?
Certified GKH Gardening Expert
Probably not. It is hard to say without seeing the damage, but that is not something that citronella plants do, naturally.
This article will help you to care for citronella plants: https://www.gardeningknowhow.com/edible/herbs/scented-geranium/mosquito-citronella-geranium-plant.htm