I have 3 big citronella plants in pots. I live in Ohio, can I plant them in the ground and cover them with plastic for the winter?
Certified GKH Gardening Expert
I am afraid that you will have to keep it as a house plant during the winter months. It is hardy from zones 9-11.
Here is an article for more information:https://www.gardeningknowhow.com/edible/herbs/scented-geranium/mosquito-citronella-geranium-plant.htm