Even if you don't have a backyard or a spacious kitchen, you can have an herb garden using mason jars!
Freeze herbs while they are fresh - put chopped herbs into ice tray and add olive oil before freezing. Then put into freezer bags and label for later use.
30 Amazing DIY Indoor Herbs Garden Ideas
DIY PLANTERS :: 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.
Recycled Shutter Mason Jar Herb Garden by ElizabethKateDecor, $70.00
tin hanging herb garden. love that their painted. :-)
Hanging Herb Garden. $35.00, via Etsy.