Senna hirsuta, or Woolly Senna, grows up to 5 ft. tall in disturbed habitats such as roadsides, as well as in sandy desert washes, and riparian uplands between 2500-5500 ft in elevation. This shrub shows its yellow flowers from July-September, is pollinated by bees, and also serves as a larval host plant for multiple species of butterflies. Plant in partial to full sun and wet to dry conditions. No shipping.