Blue Flag Iris-Iris virginica
Perennial up to 4 ft. that produces a showy lavender flower. Grows on margins in moist to wet areas. Found in Zones 7-10. Leaves resemble those of juvenile cattails. Shade and flood tolerance. A top choice for lake and pond banks.
Moist/Wet/Shade Tolerant * Zones 7+ * Attractive Lavender Flower * Ponds/Lakes/Swales