This bush has flowers with a unique length for a sterile buddleia (up to 45 cm long and 10 cm wide) and it will make a big impression in a garden or in a pot. Its adult height is 1.5 m maximum, so this plant will remain compact. It doesn’t produce seeds, so all its energy is in flower production (pink/violet) which makes this a variety constantly in flower from the beginning of spring right until the first frosts.his buddleja is really interesting because of the unique size.