Helenium plants flower much later in the summer than other species and so are perfect for increasing the amount of colour in your late summer garden helenium 39moerheim beauty39 is a particularly good choice featuring copper45red flowers with prominent dark brown centres as well as holding an rhs award of garden merit this hardy perennial is a favourite of butterflies and bees and is therefore perfect for attracting beneficial insects to your garden sneezeweed is tall and a good c