By Maki Yazawa Few things are more disappointing than bringing home a tasteless watermelon. Avoid ever having to feel the remorse of wasting one again by learning how to pick a perfectly ripe watermelon from the bunch. A few simple visual and audible (yes, really) indicators are all you need to help ensure you leave the grocery store with the sweetest and most flavorful melon every time. Look for stripes. The coloring of your watermelon helps indicate the ripeness of the fruit.