Clematis can do very well in containers if you provide extra care, especially the first 2 years the plant is growing and getting established. The main considerations are ensuring the plant is getting enough sunlight, there is good drainage in the container and the plant gets enough water.
Is clematis better in pots or ground?
Soil type: Clematis prefer moist, well-drained soil with the base of the plant in shade and growth tips in light.
Does clematis need sun or shade?
To maximize flower production, try to plant your clematis in full sun. Though most varieties will grow in half-day sun, they won’t produce as many blooms.