Cabbage and its cousin Chinese cabbage are rich in calcium, iron, fiber, folate, and vitamins, and very low in calories — 22 for a cup of the regular variety served raw and just nine for a cup of the Chinese variety served raw.Cauliflower is rich in fiber and folate, vitamins B6, C, K, and potassium. A cup of chopped, raw cauliflower has just 27 calories, 3 grams of fiber, and 2 grams of protein. Toss some in your next curry.Kohlrabi — an off-white veggie you've probably never heard of — is high in fiber, folate, vitamins C and B6, and potassium. A cup of it raw packs just 37 calories but a whopping 5 grams of fiber. Try it baked.Scallions, known for their crunchy texture and poignant flavor, are low in calories (just 32 for a whole cup) but high in nutrients like vitamins A and C. Try chopping up a few and adding them to salads. A member of the cabbage family, brussels sprouts contain compounds called glucosinolates and isothiocyanates that may help reduce the risk of certain cancers, according to a study published in the Journal of Food Science. Brussels are also high in fiber, folate, vitamins A, C, K, and B6, iron, and potassium. A cup of them boiled has around 56 calories and packs some protein too.The naturally deep orange hue of a pumpkin is a good indication of its richness in beta-carotene or vitamin A, which plays a key role in preserving our vision, especially at night. Plus, they're high in potassium (a cup of boiled, mashed pumpkin packs more than a banana), fiber, vitamins B6, C, E, and iron, and they can be baked into a yummy fall gratin.Several studies suggest a link between crunchy veggies like broccoli and a reduced risk of certain cancers and other chronic diseases. Plus the miniature trees are high in vitamin C and folate, which is especially important for women who'd like to get pregnant one day. So try tossing a few stalks in your next stir-fry.This spicy green is a delightful addition to a salad or pizza. Like its cousins broccoli and kale, arugula has many nutrients that have been linked to disease prevention and improved digestion. Plus, it's a good source of zinc, calcium, and iron. Toss it on your next pizza.A great source of vitamins A and C, bell peppers are a crunchy addition to salads and stir-fry. A cup of raw bell pepper provides nearly 100% of your daily allowance of vitamin A and 300% of your daily allowance of vitamin C. They're also a great source of vitamin B6.As great sources of fiber, folate, magnesium, vitamins A, B6, C, E, K, calcium, iron, potassium, and zinc, collard greens have your nutrients covered from A to B.Sure, it's trendy now, but kale has been good for you since long before it was cool. A cup of raw chopped kale gives you more than 200% of your daily allowance of vitamin A plus a whopping 684% of your allowance of vitamin K. It's also high in vitamins C, B6, calcium, and potassium. Like broccoli, kale also contains high levels of glucosinolate plant compounds, which may be helpful in protecting against certain types of cancer.Delicious on a baked potato, chives are rich in fiber, vitamins A, B6, C, and K, as well as folate, calcium, iron, magnesium, and potassium.Next time someone disparages a salad as just lettuce, remind them how good for you leaf lettuce is. With just five calories per cup, leaf lettuce also packs in vitamins A, B6, C, and K, as well as calcium, magnesium, fiber, iron, and potassium.Both parsley and chicory are great sources of vitamins, folate, and zinc. And they're very low in calories — just 22 for a cup of raw parsley and seven for a cup of raw chicory greens.Spinach contains several plant compounds, like kaempferol, which studies suggest plays a role in protecting against cancer and other chronic diseases. In fact, a 2011 study suggested that some of these components helped cyclists use less oxygen over the course of a ride. And a 2014 study found that another spinach compound called tyrosine helped to improve reflex speed.Rich in fiber, vitamins A, B6, C, E, K, calcium, iron, magnesium, and potassium, swiss chard is also low-calorie, with just seven calories per cup. Both its dark green leaves and juicy stalks are completely edible.Although often overlooked, watercress is a nutrient-dense alternative to plain old lettuce that can be eaten raw or cooked. Plus, a large review of five studies published in the European Journal of Nutrition suggested that watercress and other leafy greens were among the standout foods with the strongest links to reducing risk of type 2 diabetes.