(18-24" tall x 18-24" wide) Wand Flower Passionate Rainbow is a more compact variety of Gaura. It is known for its dark burgundy variegated foliage and delicate pink blooms. They prefer full sun and a sandy or loamy soil with good drainage. Flowers tend to become leggy when grown in rich soils or shade. This plant makes a great addition to your perennial garden especially when planted in groups.