Containers can be such a convenient way to green up your patio. The great thing about patio container gardening is that you don't even need to pick out the spot. Containers can be moved as and when needed. Containers can be light enough that you can just move them at will so you can put them up on a rooftop patio or out on a patio balcony or on an apartment patio area.
If you should have sensitive perennial plants like kitchen herbs in your containers, you could find that they don't take very well to being exposed to the elements in the winter. To keep them alive and growing year-round, you'll have to move those patio gardening containers indoors or provide protection outside with a small portable greenhouse or cold frame.
The fact that winters aren't without sunshine, you just need to move those containers out in the sun for a couple of hours a few days a week and your plants will be perfectly happy.