Sweet Acacia beginner Monsoon humidity (Jul-Sep) is no

Monsoon humidity (Jul-Sep) is no problem for this tough

Mulch — apply 2–3 inches of bark or gravel mulch to retain soil moisture and regulate temperature

Check for caliche — break through any hardpan layer to ensure drainage reaches 18–24 inches deep

It thrives in full sun with reflected heat

many specimens require no supplemental irrigation outside of summer

Sweet Acacia beginner Monsoon humidity (Jul-Sep) is noSweet Acacia (Vachellia farnesiana) Fragrant Desert Tree for Phoenix Landscapes Sweet Acacia (Vachellia farnesiana, formerly Acacia farnesiana) is a small, multi trunked desert tree prized for its intensely fragrant golden yellow puffball blossoms that perfume the air each late winter and spring. Native to the Sonoran Desert and tropical Americas, this tough, drought tolerant tree thrives in the extreme heat of Phoenix, Scottsdale, and the greater