Here are some of the more commonly available blue-flowered plants that are well suited to garden and landscape use.
Reed grass is an attractive perennial with arching green foliage and heads of purple-bronze seeds from mid- to late summer.
Catmints are hardy perennials that grow up to 3 feet tall, depending on the type.
Aubrieta is a wonderful ground cover or rock garden plant.
Baptisias are wonderful perennials with lovely flowers and great foliage.
Evening primroses have large cup-shaped flowers that are often fragrant.
Anthemis, sometimes called golden marguerite daisy, looks something like a golden daisy-and the cheerful flowers appear throughout the summer.
Though there are several species of sea pink, only one is commonly grown throughout much of North America-Armeria maritima.
Astilbes have pink, white, red, or purple plume-shaped blooms
Windflower is the autumn queen of the flowerbed.