Butterfly Bush (Zone 5 – 9 ) is a fast grower with droopy, graceful panticles of pink, yellow, white, or purple flowers that bloom in summer. 5 – 10′ tall, drought and heat tolerant. Plant in full sun. Prune hard in late winter as flowers emerge from new growth. Attracts butterflies.
Princess Flower (Tibouchina Urvilleana): Full sun: 6+ hours direct sun. Ornamental evergreen shrub with satiny, deep purple flowers. Bloom season: spring, summer, fall, winter. Size: 12' H x 5' W. Growth rate: fast. Cold hardiness: 30-20 F. Pruning: cut back hard in spring. Fertilization: spring. Quick to recover from freeze damage, blooms return in spring.
Purple Diamond Loropetalum is a great evergreen low growing shrub. It is different than the most common loropetalums because of its low growth habit and redder color. It also is covered in red flowers in spring.