im always saying ill use what ive got first, but like to buy to grow different annuals/perenials for customers, did my own garden design last summer;
gailardia/callendula/rudbeckia/coreopsis/cosmidium/dahlias/gazania/knophia/lupins
a show of colours and shades blending together some of these plants had 4-5 different names. ive taken some pics on facebook