The genus "Lobelia" is made up of as many different species as there are days in the year.
It contrasts well with other colors and flower shapes, never needs staking, is untroubled by pests and deer avoid it.
Give away starts to all of your friends. The children of your Susans will bloom wherever they are planted.
If you have a large bare area in your yard, consider planting cannas for a blaze of summer color that will gladden your heart.