Iris spuria is a broadleaf evergreen or semi-evergreen perennial with green foliage. In spring purple flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun and low water. Does well in alkaline and well-drained soil. A good option if you're seeking something verticillium wilt resistant.
The Butterfly Iris, a wide ranging complex species ranging from Sweden to Central Spain; they like a warm site and moisture during the growing season, but dry during flowering. Coloration is quite variable spurias are heavy feeders and enjoy some manure. ZONE 4