Buddleja davidii 'Mongo' = Nanho Blue
 Buddleja davidii 'Mongo' (selling name Nanho Blue) is a cultivar introduced by the wholesale Monrovia Nursery California in 1984. The shrub was accorded the RHS Award of Garden Merit in 2002 but was placed on the Sunset List for rescission in 2010 following the release of other compact forms with a superior hue. [1]The plant has had several selling names (see Synonyms) which has caused some confusion Stuart describing the plant twice under different names.