Light: Full sun for best flowering; light afternoon shade is beneficial in Phoenix locations with intense reflected heat.
Water: Low to moderate water once established. Water deeply, then allow the soil to dry partially between waterings. Irrigate more often during establishment and extreme summer heat; reduce watering in winter.
Soil: Well-drained sandy or loamy soil; tolerates alkaline desert soils. Avoid persistently wet soil and poorly drained planting sites.
Mature size: Typically 2–4 feet tall and 3–6 feet wide for shrubby selections; trailing selections are often 1–2 feet tall and 3–5 feet wide. Size depends on the cultivars included.
Bloom: Repeated flowering from spring through fall; may continue into winter in frost-protected Phoenix locations.
Evergreen / deciduous: Evergreen in frost-free conditions; may lose leaves or die back during Zone 9b freezes, often regrowing from surviving roots in spring.
Growth rate: Fast during warm weather with adequate moisture.