It’s difficult to know why your plants did not thrive. Soil? Maybe. They like a sunny spot with loamy, well-drained soil. Sweet potatoes aren’t too picky, but they do prefer soil on the sandier side, and need plenty of air space in the soil for roots to reach down. If your soil is clay, rocky, or compacted, consider raised beds. Read above and below for more possible reasons/explanations.
It’s difficult to know why your plants did not thrive. Soil? Maybe. They like a sunny spot with loamy, well-drained soil. Sweet potatoes aren’t too picky, but they do prefer soil on the sandier side, and need plenty of air space in the soil for roots to reach down. If your soil is clay, rocky, or compacted, consider raised beds. Read above and below for more possible reasons/explanations.