Forms large clumps of attractively coloured erect stems. Grows in water or damp ground in estuaries inland. Attractive seed heads.Great for edging ponds or ornamental pools. Mostly coastal in estuaries, saltmarshes, dunes and sandy flats and hollows. Mostly coastal in estuaries, salt marshes, dunes, sandy flats & hollows. Occasionally inland in gumland scrub, along lake margins, fringing peat bogs or surrounding hot springs.