Mandevillas develop spectacular, often fragrant flowers in warm climates. The flowers come in a variety of colours, including white, pink, yellow,and red. Mandevilla vines need some shade.The Mandevilla vine has become a popular spring garden. This small exotic plant is known for its twining stems and oval-shaped green leaves. Bold and showy, mandevilla definitely add a tropical flair to landscapes and container gardens with their brilliant blooms.They enjoy bright, indirect light or filtered sunlight, but can get burned in direct, full sunlight.