I'm not a fan of ivy because it tries to colonise my garden. Plus, the garden at the end of mine has both my pet hates, overgrown conifers and lots of ivy. The conifers blocked light and took the goodness from the soil - we agreed we'd pay to cut them back. Their situation doesn't affect our neighbours light so they don't care but as long as we pay, they're happy. The ivy clambers through the fencing, causing damage to that but worse, encouraging slugs and snails which creep in at night and eat my hosta's and other plants they find delicious. I've resorted to slug pellets which are allegedly pet and bird friendly, having exhausted all the more environmentally friendly options which had no impact on the invaders.
What about hostas, Annie? They love shade and mine all do brilliantly in pots. You can use the copper band around the middle of the pot which slugs and snails are unable to absail over. I like Pen's idea of layering the planting. Enjoy it, gardening in pots is a lovely pastime.