See regional picks for tough pretty plants, and read the article by Julie Lane Gray for even more ideas.
“It’s important to define first what I mean by a “tough” plant. To my mind, it’s a plant that will thrive on its own as long as it is planted in a place that provides its basic needs and is given suitable water. It won’t retreat if it has aggressive neighbors, complain if it doesn’t get pruned for a year or two, and necessitate special treatment in order to look good. A pretty, tough plant is one that looks more delicate than it actually is.” Read more Tough Yet Pretty Plants.