Helianthus "Lemon Queen" grows only to about five feet in my garden, but other gardeners have told me that their plants often reach up to a whopping eight feet, which I find hard to believe, but there you have it.  Keeping that in mind, a place at the back of the border or somewhere in the middle might be a good plan.  Helianthus "Lemon Queen" is clump growing, and although the clump grows larger each year, it is in no way invasive).  Soft lemon yellow, daisy-like flowers open in late summer/early fall to complement asters and other late flowering plants.  Helianthus "Lemon Queen" likes full sun; bees and butterflies like Helianthus, and that's what makes the world go 'round.  Zones 4-9.  Quarts.