True blue blooms veined in violet and gold add striking color to gardens
Upright sword-like foliage provides vertical structure to sunny borders
Strong spreading roots help stabilize banks and slopes
Attracts butterflies and pollinators for a lively garden ecosystem
Disease resistant and deer resistant for low-maintenance care
Summarized by Shop
Blue Flag Iris rewards the water’s edge with elegant, true-blue blooms veined in violet and gold, unfurling atop sword-like foliage from late spring into summer. Native to eastern North America, it’s perfectly at home in the damp ground along a pond, stream, or rain garden where many perennials struggle. Reaching two to three feet tall in