Iris sibirica 'Caesars Brother'
Genus: Iris
Species: sibirica
Variety: 'Caesars Brother'
Plant Type: Herbaceous Perennial
Quickly growing into a bold clump of upright leaves, it bears lots of stems of lovely rich deep blue flowers with contrasting throats in late spring and early summer. It thrives in any good soil that's not too dry, and is also happy as a marginal plant in a pond.