Watermelon are the most popular and well-known variety of melon. Large and oval to round in shape, watermelon have dark green skin with lighter green stripes. Their flesh is pink to red in colour, with a mixture of black seeds and small, immature white seeds. Watermelon have a mildly sweet and refreshing flavor, making them a perfect treat on hot summer days. Available all year round, they're best used fresh on their own, in salads, or in juices.