Verbena bonariensis ( Argentinian vervain )
Essential as a vertical accent in the border. This (short-lived) perennial with the tall, slender but sturdy stems and purple blue umbels, is in flower from August till the first frost. Excellent butterfly plant, that self-seeds well on well draining soils - up to 1 m 50. - 500 s.
This product is currently not in stock and can not be ordered.