One serving of small blueberries contains an average of 190 to 250 berries. One serving of large blueberries contains around 90 berries.
The single serving of blueberries is equal to 1 cup. A blueberry serving is low in calories and contains no fat, cholesterol or sodium.
Blueberries can be stored in the refrigerator for 5 to 10 days before starting to spoil. if blueberries are properly prepared and stored, they can be frozen safely for 6 to 8 months.
The blueberry season in the United States begins in April. Unripened blueberries can be placed in a plastic bag with an apple to speed up the ripening process.