This species is more common in adjacent states and occurs broadly in mid-western prairies.  Its range barely makes it into Florida.   The southern end , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Habitat, Prairies, rocky glades , Did You Know?, Showy flowers

The flowers are smaller than on most other native morning-glories, but they are attractive. Grow on fence or trellis. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Wildlife, Attracts hummingbirds. , Habitat, Dry disturbed sites. , Did You Know?, Showy flowers Attracts larger butterflies such as swallowtails and fritillaries.  Predominantly self-pollinated.