Acacia smallii (formerly Acacia minuta) - Small's Acacia
Small's Acacia is a fast growing evergreen to semi deciduous tree with a height ranging from 10-35 feet with a near equal spread. Fine leaves grow on thorny branches, with fragrant yellow flowers appearing mostly in spring. Tree is very heat and drought tolerant and can tolerate frost as well. Once established it requires little water. Plant in full sun.