Water deeply and regularly during establishment. Once established, allow soil to partially dry between deep irrigations; supplemental summer watering is important in Phoenix. Irrigate broadly beneath and beyond the canopy, keeping the trunk dry.
Southern live oak, a long-lived shade tree with leathery leaves, a broad canopy, and strong, spreading branches. Adaptable to Phoenix heat with adequate irrigation and rooting space.
Foliage & acorns toxic to livestock and pets (tannins)
Care Instructions
Light: Full sun; tolerates light shade.
Water: Water deeply and regularly during establishment. Once established, allow soil to partially dry between deep irrigations; supplemental summer watering is important in Phoenix. Irrigate broadly beneath and beyond the canopy, keeping the trunk dry.
Soil: Adaptable to sandy, loamy, or clay soils with adequate drainage. Tolerates moderately alkaline soil, but highly alkaline conditions may cause iron chlorosis.
Mature size: Typically 40–60 feet tall and 60–80 feet wide; potentially larger with age and favorable conditions.
Bloom: Small, inconspicuous flowers in early spring, often appearing with new leaves.
Evergreen / deciduous: Evergreen to briefly semi-evergreen; sheds older leaves as new growth emerges in spring.
Growth rate: Moderate; faster when young with adequate water and suitable soil.