Slender Goldenbanner is found in open forests, meadows and roadsides in both moist or dry soil. ItÔÇÖs strikingly sunshine-yellow lupine-like flowers grow up from dense blue-green foliage. It is an early and long-blooming rhizomatous perennial forming dense patches in the landscape. The pods form in a cluster and persist along with the foliage into later summer giving it architectural appeal. To 3ft.