Synonyms: Mexican Hat | Rudbeckia columnifera | Ratibida columnaris A biennial to perennial, flowers with drooping yellow or bronze ray flowers and upright, brownish center. Blooms from July through August. Mexican Hat is mostly red with a little yellow. Dwarf Red is solid red. Found from Alberta to Mexico, east to Manitoba, Minnesota, Illinois, Missouri, Arkansas and Texas; dry plains, prairies and ravines. Best in full sun; dry, well-drained soils, quite drought-tolerant.