Perennials
Amsonia tabernaemontana
Willowleaf Bluestar
Baptisia australis
Blue Wild Indigo
Campanula americana
Tall American Bellflower
Hyssopus officinalis
Hyssop
Iris versicolor
Blue Flag Iris
Lobelia siphilitica
Great Blue Lobelia
Mertensia virginica
Virginia Bluebells
Polemonium reptans
Jacob's Ladder
Symphyotrichum laeve
Smooth Blue Aster
Tradescantia ohiensis
Ohio Spiderwort
Viola sororia
Common Blue Violet