Solidago rugosa "Fireworks" (Goldenrod)
In late summer and early fall, Solidago rugosa "Fireworks" puts on a show of arching and cascading spires of golden yellow flowers that shoot out just like fireworks. It is a long-blooming show, too. This hardy perennial is clump-forming and grows to about three feet in sun/part sun in Zones 4-7. Quarts.