These can become stressed when temperatures dip below 50°F. Bringing your plants indoors before these stressful temperatures increases the odds plants remain healthy.
Check for fungal diseases, including downy mildew and Botrytis. If you notice these diseases, avoid bringing your plant indoors.
if you are growing a coleus plant in a large container or have a mixed planting, it’s a good idea to repot before bringing it indoors. A small pot is easier to carry and fit in your home.
If you choose to repot your coleus, choose a container just a bit larger than the plant’s root system.
Proper acclimation might look like moving the pot from the outdoors to a garage or laundry room for a week and then to a warm bedroom.