Plumbago auriculata 'Alba'
Light: Morning sun with afternoon shade in Phoenix; avoid intense reflected heat and exposed west-facing locations.
Water: Moderate water; irrigate deeply, then let the upper few inches of soil dry. Water more frequently during extreme summer heat and reduce watering in winter.
Soil: Well-drained soil, preferably amended with compost; tolerates sandy or loamy soils but dislikes waterlogged roots.
Mature size: Typically 3–6 feet tall and wide; sprawling stems can extend farther with support.
Bloom: Primarily spring through fall in Phoenix; flowering may continue during mild weather but slows with cold or extreme heat.
Evergreen / deciduous: Evergreen in frost-free conditions; may lose leaves or die back during Phoenix freezes.
Growth rate: Moderate to fast during warm weather with regular irrigation.