A native Australian flowering plant, Banksia thrives throughout the country. They are drought-tolerant, attractive, and versatile, with flowers that will continuously bloom. They are particularly useful for landscaping, as they can grow into 6 to 12 foot shrubs, and can even be 30 to 60 feet in size as full-size trees. Banksia requires a few things to really grow: sunlight, well-drained soil, and good air circulation