Water deeply and regularly during establishment, allowing soil to partially dry between irrigations. Once established, water deeply but infrequently; supplemental summer irrigation supports a fuller canopy in Phoenix.
Heat-tolerant Australian shade tree commonly called coolibah, with narrow gray-green leaves, rough gray-brown bark, and an airy canopy well suited to large Phoenix landscapes.
Water: Water deeply and regularly during establishment, allowing soil to partially dry between irrigations. Once established, water deeply but infrequently; supplemental summer irrigation supports a fuller canopy in Phoenix.
Soil: Adaptable to sandy, loamy, or clay soils, including moderately alkaline soils. Good drainage is preferred; avoid persistently saturated planting sites.
Mature size: Typically 40–60 feet tall and 25–40 feet wide; size varies with water availability and growing conditions.
Bloom: Small flowers generally appear in late spring to summer; timing varies with weather and irrigation.
Evergreen / deciduous: Evergreen.
Growth rate: Moderate to fast, especially with supplemental irrigation.