82 Creative Container Gardens: Pansies, Violas, Panolas, Grass, & Ivy - Southern Living Grass grows so easily. would be pretty in multi-layered pots. Chives would give the same look in an herb garden. Annuals mixed in with herbs might be pretty.
Planting a Perfectly Proportioned Garden Vase -- three easy steps to planting a garden vase that will be a beautiful focal point for your front porch or deck!//(or same colors, ideas, but with dark mulch instead of in vase)