The USDA Food Guide recommends 2 ½ cups for those eating about 2000 calories per day. For healthier choices, choose those lower in salt.
Collard greens
Mustard greens
Turnip greens
Carrots
Pumpkin
Sweet potatoes
Yams
Corn
Green peas
Lima beans
Potatoes (also boxed instant potatoes)
Asparagus
Beets
Green beans
Mushrooms
Tomatoes
Tomato juice
Vegetable juice
Wax beans