<a href="http://bucktowngarden.com/wp-content/uploads/2012/06/IMG_5274-sm.jpg"><img class="alignleft size-medium wp-image-475" title="IMG_5274-sm" src="http://bucktowngarden.com/wp-content/uploads/2012/06/IMG_5274-sm-199x300.jpg" alt="" width="199" height="300" /></a>Not sure what plant this is but it keeps coming back on the veranda, west wall, center right container.  This is I think year 4 of this plant in that container and its growth has accelerated.  I see it growing in neighborhood yards.  The flower turns into some kind of berry.  Not sure if it's poisonous or not.