Flower Rocket - The effortless way to grow flowers! Enjoy colorful annuals all summer long by slipping the pod in a pot of soil, then water - how easy is that? Website has other interesting ideas, from pods to rolls of seeds.
Herbs in coffee cans, hung with zip ties. Drill a hole in coffee cans & zip tie to railings! You could pretty much mount any container, like a box in this same way. bigger containers may require more zip ties.