Blueberry/ˈbluːberi/ Definition 1 of 3Pro Tip 1/3Color Misconception Blueberries aren't always blue; they can appear almost black when fully ripe. These blueberries are so ripe they look black. Pro Tip 2/3Culinary Uses Blueberries are commonly used in desserts and can be eaten raw as a healthy snack. We snack on blueberries because they're healthy and delicious. Pro Tip 3/3Seasonal Availability Blueberries are seasonal fruits; their availability and taste may vary throughout the year. Blueberries taste best during the summer season.