After a lot of hard work - growing slips in water and planting them and nurturing them all summer - I started digging my sweet spuds today.
The tops have grown well and there was nothing to indicate there was a problem. However, of the 14 or so plants that grew, I have got just a handful of useable sweet potatoes. The rest have gone completely rotten and some are as big as a pineapple!!
Did I leave them too long in the ground? Has anyone else had this problem?