To avoid introgression with other H. debilis subspecies, do not grow them in a common garden. Ground cover in sandy, open environments. , Tolerance, Not salt tolerant of inundation by salty or brackish water. High. Can tolerate significant and ongoing amounts of salty wind and salt spray without i , Considertions, Aggressively self-seeds, can be a nuisance in the wrong situation. , Wildlife, Seeds eaten by birds and small mammals.  When full grown, provides a thicket for protection of small birds and animals. , Habitat, Beach dunes, coastal grasslands, sandhill, and scrub , Did You Know?, Showy flowers, Interesting foliage Primarily pollinated by bees.