Nierembergia is also known as Cupflower or Purple Robe. This flower has cute petite cup-shaped blooms and comes in blue, lavender and white. It looks great in containers, hanging baskets, or as a border in your flower bed. Nierembergia flowers have paper-thin petals and the foliage is also delicate. The flowers are heat and drought-tolerant. The flower is usually grown as an annual but is a perennial in zones 7-10. When growing them many gardeners start them indoors. When transplanting them outdoors make sure it is several weeks after the final frost. This flower is easy to care for as long as they receive direct sunlight or partial shade.