Light: Full sun to partial shade; afternoon shade is beneficial in Phoenix, especially near hot west-facing walls.
Water: Moderate water for best growth and flowering. Water deeply, then let the upper few inches of soil dry; irrigate more frequently during Phoenix summers. Established plants tolerate some drought.
Soil: Well-drained soil; tolerates sandy, loamy, and alkaline soils. Avoid persistently wet conditions.
Mature size: Typically 6–10 feet tall and 5–10 feet wide as a shrub; long stems can reach 15–20 feet when trained on a support.
Bloom: Primarily fall through spring in Phoenix, with intermittent flowering during warmer months; extreme heat and frost can interrupt blooming.
Evergreen / deciduous: Evergreen in frost-free locations; may lose leaves or suffer stem dieback during Zone 9b freezes.
Growth rate: Fast with adequate warmth and irrigation.