Q.Sweet Potato Growing In Zone 9
I planted slips back in early June. They took right away and they went off, but it feels like all the plant’s energy went to growing the vines because when I harvested the potatoes on October 9th, they were all incredible small (as was the overall number). What did I do wrong?
Certified GKH Gardening Expert
This will signify a lack of phosphorus and potassium, or too much nitrogen.
Here is an article that will help: