Suitable for small pools, growing up to 2 ft. and happy in up to 4 in of water. A beautiful iris, having true blue coloured flowers, marked with white. The foliage is also an added benefit as it provides a vertical interest over a long period and is suited to both formal and informal settings. They are relatively easy to grow as long as you remember that they don’t like drying-out. Hardy in zones 5-9 Proper name: Iris versicolor