Pentas are a perennial slow growing shrub commonly planted as a bedding flower. If their needs are accommodated for they can grow up to a 6 foot shrub. They can handle more sun in the Spring and Fall, but need filtered light or shaded in the afternoon during the Summer. Pentas like a well draining soil and require minimal maintenance. Although if in the shade they may get leggy, prune to encourage a denser plant and more blooms. They bloom Spring through fall.