'Gerald Darby' iris (Iris x robusta): some of the foliage and the stems are purple. It's a siberian iris, so no beard. Flower is also purple. Tubers on eBay.
Ideal Companions for Your Bearded Iris Beds: Add additional plants to existing iris bed.
Allium Gladiator with iris...when I was a little girl, my grandmother had purple and white iris like these. Their name was Wabash, and I really need to find some like these. Sweet memories of walking with her along the terrace row with the Flower Grower magazine...
Purple Iris Beds. If you like this garden, read our article on getting more iris blooms in your own garden at http://gardendesignforliving.com/?p=1150
The Cancer Research Garden, Gold award, RHS Chelsea Flower Show 2006 - Naturalistic planting with tall dark purple iris in combination with Stipa tenuissima Design: Andy Sturgeon, RHS Chelsea Flower Show 2006