Habitat: damp meadows, sunny
Height: 2 m
Width: 50 cm
Soil: rich, with plenty of humus
This is the largest iris in the Chrysographes subseries, making good clumps of upright leaves.Iris delavayi SDR50 is an outstanding form, robust, up to 2 metres tall, with large, deep purple flowers, quickly forming a good clump of strong shoots.