Requires a reliable cold period to persist. In most of Florida it can be treated as an annual in gardens. Listed as Endangered by the State of Florida , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Considertions, The further south you go, the more short-lived this species gets.  Except in extreme north Florida, treat as an annual or at least don't assume that i , Wildlife, Small birds and small mammals consume the seed. , Habitat, Upland glades, openings in upland mixed forests on calcareous soils. , Did You Know?, Showy flowers Attracts many pollinators, especially bees.