Fragrance in Wild Western Gardens: Irises

In California, the best smelling wild irises are to be discovered from around San Jose northward to Laytonville (in Mendocino County), or Garberville or Zenia (in southern Humboldt County). The best smelling irises flower almost flat on the ground. Some of these irises are assignable to Iris macrosiphon, but some in that species completely lack any noticeable fragrance….