70-77 days. Accent Series seeds deliver the country's most popularly grown and undisputed summertime bloom. Impatiens is far and wide the United States" most popular bloom amongst greenhouses and home gardeners alike and Accent Series promise your home or garden classic seasonal flowers available in a variety of signature colors. Accent Series impatiens grow a convenient 8-10 inch dwarf mound ideal to show off on porches, window sills, or to liven up the flower bed. Accent Series impatiens seeds are native to the demanding Eastern African climate and will thrive in many similar gardens prone to hot, humid summers. Coated Seeds.