This photo, taken June 8th, shows blossoming Kennebec potatoes in three 5-gallon grow bags of coir and rock powder fertilizer, sitting in a black tray. As described in an earlier post, I planted the potatoes with bags rolled down to about one third their full height. As the plants grew, I unrolled the bags and added more coir. A couple of the bags still need topped off. Bottom watering to a depth of less than two inches is done as needed. This is the first year I’ve tried growing potatoes using this passive hydroponics method. I look forward to harvesting bags full of potatoes this season.
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