Alternanthera dentata. Prized for its mounding foliage, Alternanthera needs no flower to be the star. It is a terrific cover crop and magnificent in lush, cascading pots on old stonewalls or in hanging baskets. It is best to start it indoors 6 to 8 weeks before the last spring frost date and then transplant outside. Annual. Summer leafing. Height: 16" to 20".

Average seed life: 1 to 2 years.