This hardy perennial brings height and stature to the back of borders. Its tall stems are topped with small clusters of mauve-purple flowers that seem to glow at dusk as the daylight fades. The tall stems sway with an air of tranquility that gives Verbena bonariensis an ethereal quality. This superb hardy perennial blends effortlessly into almost any planting scheme from cottage garden borders to modern courtyards. Height: 120cm (48"). Spread: 45cm (18").