The seeds for this plant are quite unusual. This is the tallest coreopsis, and has 3 inch bright shiny yellow flowers with dark brown centers. Tall Coreopsis is more impressive when it occurs in colonies, rather than as a stand-alone specimen - which is still impressive. Each plant tends to sway with every breeze during a sunny afternoon, looking like yellow butterflies flitting around. Great plant - long bloomer - excellent privacy plant. But it is terribly underused and needs to come back into use.