The Lagerstroemia speciosa plant produces large, showy clusters of flowers that can be pink, purple, or white in color. The flowers are produced in the summer and can last for several weeks. The plant also produces small, brown, woody capsules that contain numerous seeds. Lagerstroemia speciosa plant is a hardy plant that is relatively easy to grow. It prefers full sun to partial shade and well-drained soil. It should be watered regularly, especially during dry spells.