Iris versicolor (Blue Flag)

Also known as 'Poison Flag'.

Narrow, erect foliage and branched stems bearing several bluish-purple flowers with spotted yellow throat. As with all iris, the tubers are harmful if eaten.

After foliage has died back in Autumn cut back to just above the water surface. If trimming is left until spring take care not to damage emerging shoots.

Plant in full sun to partial shade between 0cm and 15cm deep.

• Flowering period: June & July
• Mature height: 60cm to 90cm
• Growth rate: slow