Q.Potted trees
What type of tree can be planted in a pot on a deck where there is wind? Temperate climate – no snow – moderate rain for 4 months and none from May through October. Temperature from 45 degrees to 70 degrees.
Certified GKH Gardening Expert
Arborvitae is a common and good choice for containers. I would make sure that you choose a tree that can survive one growing zone lower than yours. Plants in containers experience weather more like zones one lower because they do not have as much protection from the cold for the roots as plants in the ground.
These articles should help: https://www.gardeningknowhow.com/special/containers/how-to-grow-container-trees.htm
https://www.gardeningknowhow.com/ornamental/trees/tgen/growing-trees-in-containers.htm