Siberian iris 'Shaker's Prayer'

'Shaker's Prayer' is a vigorous, spreading plant with lax foliage to 100cm long. Erect flower stems, to 110cm tall, bear up to 5 small, well-proportioned flowers, the standards violet-blue, the drooping falls white, heavily veined in violet and blending to a full violet flush at the tip. A floriferous cultivar with distinctive markings