Tough as nails, 'delicate' plants deliver prolific beauty

Sometimes the most fragile-looking, airy plant is the toughest of all. If you have places that need softening — or just love the look of lacy, delicate foliage and flowers — these two are great choices, but they are only the tip of the iceberg. I've compiled a list of perennials that are truly fragile-looking in flower, leaf, and stem.