‘Flame Thrower’ Coneflowers (Echinacea ‘Flame Thrower’) boast large blooms that can grow up to 3 or 4 inches across. The showstopping petals have red-orange centers that fade into golden-yellow edges. The sweet-scented flowers grow to 40 inches high and bloom from summer through fall. ‘Flame Thrower’ Coneflowers don’t have any known pest or disease issues and are hardy in Zones 4 – 9.