Urban Gardening and Upcycling

 

The concept is that you water the top plant and it drains through to the plant below that and then to the plant below that.  www.UrbanOrganicGardener.com.

Some great ideas for container gardening!  And he has an entire series to meet all your city dwelling green thumb desires.

http://www.youtube.com/watch?v=TONjtv6uuKI&feature=relmfu