Orange vegetables include carrots and sweet potatoes. Orange pumpkins, butternut squash and peppers are actually types of fruit, but they're often used as vegetables. These plants get their orange color because they're rich in beta carotene, which is converted to vitamin A in the body.
Carrots are a cool-season root vegetable. They're not only rich in beta carotene but are also abundant in vitamin K, potassium, Vitamin C, vitamin E and the B vitamins. Vitamins A, C and E are antioxidants that guard against free-radical damage, and the B vitamins support the health of the nervous system.
Carrots are biennial plants that need soil that's loose or sandy so they can grow long. Gardeners sow the seeds in shallow furrows and keep them moist till they germinate. Many gardeners believe that the Nantes variety of carrots, which are cylindrical and have blunt ends, have the best texture and the sweetest taste. That's because they absorb more water and have fewer terpenoids than other types of carrots.
Sweet potatoes are often called yams, but the two vegetables aren't the same. Moreoever, sweet potatoes aren't even really potatoes. But, like other orange vegetables, they're high in beta carotene. They also have an abundance of complex carbohydrates, potassium, calcium, iron and dietary fiber.