Cosmos sulfureus ( Dwarf Klondike Cosmos )
This annual cosmos grows to 6 feet tall and has gold or yellow summer to fall flowers . This particular cosmos , because of its height , tends to get weedy looking towards the end of the season . Best planted in generous drift . Starts promptly from cum sow in undefendable ground from spring to summer . Transplants maybe set out from flats as well . Self - sow in plant that attracts birds ....