I have a plumbago planted in my yard in Union City, TN. How do I care for it through the winter?
Plumbago Plant in Union City, TN
Certified GKH Gardening Expert
You are right on the edge of where this plant can survive. I would recommend mulching heavily around the base of the plant. It should survive a typical winter where you live, but if you have a cold winter, it most likely will not. For future reference, plants that are border hardy in your area (like this one) should be planted near foundations or in created microclimates in your yard (https://www.gardeningknowhow.com/garden-how-to/projects/how-to-make-a-microclimate.htm) to give them a better chance to make it through cold winters.