A Southern-garden gem, crape myrtle offers big clusters of frilly flowers in shades of pink, red, lavender, or white in summer and fall. Many varieties show off beautiful red, yellow, or orange foliage in autumn, as well as interesting patches of green or silver under their peeling cinnamon-color bark. Name: Lagerstroemia selections Size: From 6 to 25 feet tall and wide, depending on variety Zones: 7-9 Standout Varieties: 'Arapaho' has red blooms and purple-tinged foliage and good disease re...