Buddleja ‘Blue Chip Jr’ is a new and distinct variety of butterfly bush that has the following unique combination of desirable features that are outstanding in a new variety.1. ‘Blue Chip Jr’ has low vigor resulting in very dwarf stature.2. ‘Blue Chip Jr’ is asexually propagated using softwood or semi-hardwood cuttings.3. ‘Blue Chip Jr’ demonstrates a dense, spreading growth habit.4. ‘Blue Chip Jr’ is lacking male flower parts (anthers), resulting in male (pollen) sterility.5. ‘Blue Chip Jr’ produces female structures that are essentially sterile, resulting in lack of seed formation.6. ‘Blue Chip Jr’ has purple-violet flower color.
