Low water once established. Water deeply during establishment, then allow soil to dry between irrigations. Occasional deep summer watering improves appearance during prolonged Phoenix heat.
Guajillo (Senegalia berlandieri, formerly Acacia berlandieri) is a large shrub or small tree native to Texas and northeastern Mexico, with fine-textured foliage and fragrant, creamy-white flowers.
Toxic to livestock; foliage contains amines harmful to goats and sheep if eaten in quantity.
Care Instructions
Light: Full sun; tolerates light shade. Performs well in Phoenix heat once established.
Water: Low water once established. Water deeply during establishment, then allow soil to dry between irrigations. Occasional deep summer watering improves appearance during prolonged Phoenix heat.
Soil: Well-drained sandy, gravelly, or rocky soil; tolerates alkaline and limestone soils. Avoid persistently wet or poorly drained sites.
Mature size: Typically 10–15 feet tall and wide; may reach 20 feet tall under favorable conditions.
Bloom: Primarily late winter through spring; occasional additional flowers may follow summer rain.
Evergreen / deciduous: Semi-evergreen; may lose foliage during freezing weather or extended drought.
Growth rate: Moderate with supplemental irrigation; slower under very dry conditions.