wildflowers perennial Perennials are plants and flowers that come back year after year, you do not need to reseed. In addition, perennials often increase in size each year, which means they can often be divided and added to other spots in the landscape. Black-Eyed SusanBlanket FlowerBlue FlaxDwarf ColumbineDwarf Evening PrimroseEnglish Daisy MixGloriosa DaisyLance-Leaved CoreopsisLavender HyssopMexican HatNew England AsterPink Sweet WilliamPrairie ConeflowerPurple ConeflowerShasta DaisySiberian WallflowerWild Lupine