Review the quantity your recipe calls for and then buy what you need:
Rhubarb = 6 medium stalks = 5-6 cups
Cherries = 1 pound = 6 cups
Raspberries = 6 'one-half pint' baskets = 6 cups
Peaches = 10-12 small or 6-7 large = 5-6 cups
Strawberries = 4 '1 pint' baskets = 6 cups
Apples = 8 small, 6 medium, 5 large = 6-8 cups
Apricot = 10-12 medium = 5-6 cups
Blueberries = 3 'one-pint' baskets = 6 cups
Blackberries = 6 'one-half pint' baskets = 6 cups
Sweet Potato = 1/2 pound = 1 cup
Rhubarb = 6 medium stalks = 5-6 cups
Cherries = 1 pound = 6 cups
Raspberries = 6 'one-half pint' baskets = 6 cups
Peaches = 10-12 small or 6-7 large = 5-6 cups
Strawberries = 4 '1 pint' baskets = 6 cups
Apples = 8 small, 6 medium, 5 large = 6-8 cups
Apricot = 10-12 medium = 5-6 cups
Blueberries = 3 'one-pint' baskets = 6 cups
Blackberries = 6 'one-half pint' baskets = 6 cups
Sweet Potato = 1/2 pound = 1 cup