A Green Wall Clock  

Lushe points to this novel form of clock - Green Wall Clock.

As reported on Yanko Design, a grass clock has been developed based on vertical garden concepts. Designed by J Yu, the grass clock is a glass-and-stainless-steel-bodied clock that can house your grass or other small plants.

The hour and minute hand double as blades that cut the grass to a preset length. Watering is through a reservoir at the top. The grass clippings fall to a bin at bottom of the clock. Ventilation comes is at the top of panel.