Cut the bottom off a plastic pot to contain invasive plants & bury in the ground. I have been doing this for a few years & works great for containing plants that tend to spread, but that I still want to plant in the garden. This also works good for planting a plant in an area that tends to get filled with roots etc.
Bargain Blooms - 122 Container Gardening Ideas - Southernliving. Take advantage of seasonal sales at your local nursery, and stock up on popular plants. Keep them in their nursery pots, and display them in galvanized buckets on the porch until you are ready to plant them in your garden. Recreate this look with gerbera daisies, salvias, shasta daisies, daylilies, and sweet potato vines. Similar galvanized pots here.