Light: Full sun; at least 6 hours of direct sunlight daily for best flowering.
Water: Water deeply, then allow soil to dry between waterings. Water regularly during establishment; established plants need occasional deep irrigation, especially during Phoenix summers. Reduce watering in winter.
Soil: Well-drained sandy or gravelly soil; tolerates alkaline soil but dislikes standing water.
Mature size: Approximately 6–10 feet tall and wide as a shrub; can be maintained smaller with pruning or grow larger with support.
Bloom: Repeated flushes from spring through fall, sometimes extending into winter in frost-protected locations.
Evergreen / deciduous: Evergreen in frost-free conditions; may drop leaves during cold weather or drought in Phoenix.
Growth rate: Fast during warm weather with adequate moisture.