May I suggest that you don't plant the lovely tricolor so far apart. You don't want to have one plant here, one plant there. People even suggest a patch of five or 7 of the same. You want to plant the two close, not that far so that you have a striking patch. What aspect is that patch please? Better still, check the hardiness and leave one indoors if not hardy enough. Go for a chrysanthemum, big dark red one or even aster, s pink onr,so that you can have colour in winter and colour that goes with red in your tricolor.