The grapefruit tree is a subtropical citrus tree known for producing large, tangy fruits called grapefruits. It typically grows to a height of 15 to 20 feet and has glossy, dark green leaves. The tree thrives in warm climates and requires well-drained soil and plenty of sunlight to flourish. Grapefruit trees are often cultivated for their fruit, which is rich in vitamins, particularly vitamin C. The fruit can be yellow, pink, or red, depending on the variety. In addition to being eaten fresh, grapefruits are commonly used in juices and salads, making them a popular choice for healthy diets.