|Creeping Buttercup, has a vigorous, fiborus root system, and runners that root at the joints, making it a great ground cover or foreground plant. This yellow, spring-flowering plant thrives in sun or shade and can become invasive. Leaves are basal and on lower stems, medium green, triangular-ovate, stalks are long, to 3 1/2 inches in length. Need to be dry during their summer dormant period. Leaves are finely cut and lobed, and grow basally. Grows 12 to 24 inches tall and 6 feet wide.