Plums
Select plums with smooth skin, are free of cracks, and are fairly firm, but softer near the stem. A white, powdery cast is natural and indicates the fruit has been minimally handle
Strawberries
Unlike other fruits, strawberries do not continue to ripen after they are picked. Therefore, it's best to choose bright red berries that are ready-to-eat.
Watermelons
When choosing a watermelon, look for darker green melons that feel heavy and sound hollow when tapped.