We get this question a lot this time of year. Here is a link to an article from Terrain’s September Blog that may help you decide.
Al and Carmine are available to spray insecticidal soap with powerful backpack sprayers on your tender plants just before you are ready to bring them inside for winter. Usually the day to do this arrives on or about October 1, once nighttime temperatures dip into the 30s. They are also willing and able to help you lift heavy pots inside.