The Agapanthus, commonly referred to as the LilyoftheNile or the African lily plant, displays large masses of striking blue or white flowers atop a tall and slender stalk. Learn more about this plant here.
Often called rose mallow or swamp mallow, these herbaceous perennials are known for their large petals and colorful shades. Hibiscus are widely used not only as home or garden ornament but as medicinal plants. They are made into tea or liquid extracts.
If you want to grow a drought tolerant flower for a low maintenance garden, then the Ice Plant is a good choice. They are called flowering succulents and perennial ground covers that blossom with daisy-like petals.