Back in 2013 a gardening friend posted a pic in our online group of a Sweet Potato Tower she was growing in a pot. I found it an intriguing idea as many of us were getting frustrated trying to grow SP in regular beds – they take up a lot of growing space and finding the tubers is always hit and miss.
I did a small experiment by growing one crop of SP in one of my raised beds full of rich soil – 4m x80cmx1.5m wide. Quite a lot of area to produce tubers. This is the end result – not bad, not good either for so much space used:
Then I tried the tower idea: