Planted against a sunny south facing wall in a wind sheltered garden the tender vines should survive a frost free winter.
Sweet potato vine care in winter.
At this point you can leave the container all winter or you can pot them up and enjoy them as indoor plants until spring.
Most of the time the sweet potato plant is planted in the spring.
As a tropical plant it prefers warmer temperatures.
Care for sweet potato vines over winter place the container in indirect sunlight and watch for roots to develop within a few days.
Take cuttings several weeks before your average first frost date and place in water.
Store dormant tubers in a cool dry place and replant in spring.
Sweet potato vines can be overwintered indoors from tubers or cuttings.
Heeling in sweet potato vines over winter if your region doesn t often receive sustained freezes you can simply bury the container in which the vines grow in mounded soil.
However depending on your growing zone it can be planted at other times of year.
The one season in which it s generally not advisable to plant sweet potato vines is the winter.
To grow a sweet potato vine as an annual allow it to die back in the winter and then replant in the spring after the last frost date.
Plants can also be brought indoors and treated as houseplants.