Step garden with dianthus (had overwintered in the step garden), New Guinea impatiens (new this year), and regular impatiens (new this year)
Now a few videos to describe the system...
And finally, some more photos.....
Indicator for the amount of water in the tank layer
Flowers in the Step Garden. Marigolds, begonias, and impatiens
View of water in the tray level and placement of the float switch
Bamboo shoot
View of Autogardens in the Nyack community garden. Note the addition of green outdoor carpeting (fake grass) between the racks. It is hard to tell how much the plants have grown since the last photo but trust me...they have!