Light: Full sun for best flowering; tolerates light shade, including afternoon shade in Phoenix.
Water: Low water once established. Water deeply, then allow soil to dry thoroughly; occasional summer irrigation improves appearance and flowering. Water more regularly during establishment and very sparingly in winter.
Soil: Well-drained sandy, gravelly, or rocky soil; tolerates alkaline desert soils. Avoid persistently wet soil and poorly drained clay.
Mature size: Foliage clumps typically 3–4 feet tall and 3–5 feet wide; flower stalks reach 5–8 feet.
Bloom: Primarily spring through fall in Phoenix, with the heaviest flowering in spring and early summer; flowers repeatedly without dying afterward.
Evergreen / deciduous: Evergreen.
Growth rate: Slow to moderate; faster with occasional deep watering.