Relocating or Stabilizing a Lean Smoke Bush in Zone 7? Plant blindness: Have you hugged a wildflower today? Florida Wildflower Foundation Walnut Creek Wastewater Treatment Plant Austin Water AustinTexas.gov Western Australian plants Kings Park Wildflowers JAPANESE KNOTWEED: (Fallopia japonica or Polygonum cuspidatum). Although the flowers of this large herbaceous perennial plant may be said to be somewhat attractive, this plant is placed among the worst Skimmia japonica Rubella (Large) x 1