A popular, vigorous, rhizomatous perennial, to 80cm tall, with arching, narrow, bright green leaves and upright stems bearing stunning cornflower blue standards and falls with an elegant yellow signal. Perfectly suited to pond margin and bog planting
Growing Information
Height
0.5-1 Metres
Spread
0.1-0.5 Metres
Care Guide
Cultivation
Grow in poorly drained, moist to wet, humus rich, acidic soil in full sun or partial shade. Will not tolerate drying out, keep consistently moist
Pruning
Cut back flower stems after flowering and remove dying foliage in autumn