Buddleja davidii 39miss ruby39 bears broad magenta45red panicles from midsummer onwards that will add a splash of colour to your garden right through until autumn this comparatively new variety is one of the truest of all reds and appeared especially popular at rhs wisley39s buddleja trials living up to its name this butterfly bush will attract an abundance of butterflies to its aromatic flower spikes buddleja davidii 39miss ruby39 is effectively sterile and so won39t t