If you turn a watermelon upside down, you should find a yellow spot, which is also known as the field or ground spot. This spot shows where the watermelon rested on the ground before being harvested.

A yellow field spot indicates the watermelon ripened in the field, while a white spot suggests it’s underripe,” states Wroten. Lastly, Wroten emphasizes the sound test. “When you thump a ...