Low water once established. Water deeply and let soil dry between irrigations; occasional supplemental summer watering improves appearance in Phoenix heat. Water more regularly during establishment.
A fine-textured shrub or small tree, also called guajillo, with feathery foliage and fragrant, creamy-white flower clusters; native to southern Texas and northeastern Mexico.
Toxic to livestock in quantity (neurotoxic ‘guajillo wobbles’ from heavy browsing)
Care Instructions
Light: Full sun; tolerates light shade, but flowers best with ample sunlight.
Water: Low water once established. Water deeply and let soil dry between irrigations; occasional supplemental summer watering improves appearance in Phoenix heat. Water more regularly during establishment.
Soil: Well-drained sandy, gravelly, or rocky soil; tolerates alkaline and limestone soils. Avoid persistently wet or poorly drained locations.
Mature size: Typically 10–15 feet tall and wide; occasionally reaches 20 feet tall.
Bloom: Primarily spring; may flower intermittently into summer after rainfall or irrigation.
Evergreen / deciduous: Semi-evergreen; may lose foliage during freezes or prolonged drought.
Growth rate: Moderate with supplemental water; slower under very dry conditions.