Tip: Look out for the dwarf types of dahlias that will be much easier to sustain in a pot than some of the giant cactus and water lily types, which are better suited to garden planting.

And while knowing when to plant dahlias and how to grow dahlias in pots will allow you to bring this idea to fruition, you also need to know what to do when your dahlias are in full bloom - and wh ...