Habit multi-stemmed tree. Moderate growth rate., Upright to somewhat spreading Height 15 to 18 Feet Zone 7 to 10 Common Name 'Sioux' Crape Myrtle Genus Lagerstroemia Flower in 6-12 inch panicles. July-September., Vivid pink Cultivar 'Sioux' Foliage dark green, orange and red in fall. Deciduous., turning yellow Spread 12 to 15 Feet Species x fauriei Flower Color Vivid pink. Fruit Persistent brown capsule. Categories: Crape Myrtle Flowering Tree Description Exfoliating bark is medium grey-brown.