Rudbeckia Goldsturm (Black-eyed Susan) Tuesday 9 September 2014 by admin·0 Comments Rudbeckia Goldsturm is a hardy perennial which has been flowering for weeks and is such a cheerful sight in the garden at the moment and which the butterflies find very attractive! bee food Black-eyed Susan flowers perennial plants Rudbeckia Rudbeckia Goldsturm summer flowering yellow