Rudbeckia maxima ( Maxima Coneflower )
erect , stout repeated , excellent in border or naturalize garden . Grows 5′-6′ marvellous and to 24″ wide . Leaves are basal with farseeing still hunt , eliptic , grayish - commons , to 12″ farseeing . Showy , 3″ wide , somewhat reflexed , yellow with very large conelike brownish center , daisy - like blooms from summer until fall . bed cover apace to shroud a large surface area ....