Plumbago auriculate (Cape plumbago) - Can grow 6-10 feet tall with a spread of 8-10 feet. Plumbago plants are sprawling shrubs with branches that resemble vines. It is prized for the profusion of blue phlox-like flowers it produces for extended periods of time. It has few pests, and diseases are rare. It is deer resistant and once established drought tolerant.
From SUN LOVING - WATER WISE