More to explore:
how would you water them?
good idea looks like we would have to take them down to water
They cut out the bottom, poked holes in it and taped it in about an inch below the true bottom. So when it is upside-down you can water it and it has space to soak in.
DIY Indoor Herb Gardens • Great Ideas & Tutorials!
Upside down indoor plants
Indoor window herb garden. ~2013 Bachman's Spring Ideas House. Oooh...with all those windows in the shop!! It would smell fantastic...and could be used for soaps and candles....
Just Because...Sue 2013
Hanging plants from old light bulbs
Sweet Paul's upside-down herb garden made from plastic water bottles! #DIY
Gardening for outside the door...Sue 2013
How to Plant an Upside-Down Tomato Planter