Light: Full sun to light shade; afternoon shade is beneficial in Phoenix, especially near hot walls or reflected pavement heat.
Water: Low to moderate water once established. Water deeply, then let the upper several inches of soil dry; provide supplemental irrigation during Phoenix’s prolonged summer heat.
Soil: Well-drained sandy or gravelly soil; tolerates alkaline soil. Avoid soggy conditions and excessive fertilizer.
Mature size: Typically 2–4 feet tall in bloom and 2–3 feet wide; compact pink cultivars may remain 1–2 feet tall.
Bloom: Spring through fall, often with reduced flowering during extreme summer heat; may bloom into winter in mild weather.
Evergreen / deciduous: Semi-evergreen in Phoenix; foliage may die back after frost or during stressful conditions.
Growth rate: Moderate to fast during the growing season.