Can you keep clematis in pots?
Certified GKH Gardening Expert
Yes! Every other year, you will want to take them out of the pot, then chop of the bottom 1/3 of the roots, and replant on top of fresh soil. This will help it to be able to stay in container without overgrowing it.
This article will give you more information on the care of these plants: https://www.gardeningknowhow.com/ornamental/vines/clematis/growing-clematis.htm