Light: Full sun to partial shade; afternoon shade is beneficial in Phoenix, especially near heat-reflecting walls.
Water: Moderate water in Phoenix; water deeply, then let the upper soil dry before watering again. Established plants tolerate some drought, but bloom best with consistent summer irrigation.
Soil: Well-drained sandy or loamy soil; tolerates alkaline conditions but dislikes soggy roots.
Mature size: 3–5 feet tall and 4–6 feet wide.
Bloom: Primarily spring through fall in Phoenix; flowering may continue during mild winters but slows with cold or severe drought.
Evergreen / deciduous: Evergreen in frost-free conditions; foliage and stems may die back during Zone 9b freezes, with regrowth from surviving roots in spring.
Growth rate: Fast with warmth and adequate moisture.