Hardy perennial flowers for August, in America

AUGUST. 2. Catananche c�rulea. Blue Catananche. 1. Corydalis formosa. Red Fumitory. 1. Phlox carnea. Flesh colored Phlox. 2. Asclepias tuberosa. Orange Swallowwort. 2. Veronica carnea. Flesh colored Speedwell. 2. Gaillardia bicolor. Orange Gaillardia. 2. Hemerocallis japonica. Japan Day-Lily; white. 2. Dianthus superbus. Superb fringed Pink; white. 2. Lobelia cardinalis. Cardinal-flower; red. 1. Lychnis coronata. Chinese orange Lychnis. 2. Lythrum salicaria. Willow Herb; purple. 3. Yucca filamentosa. Adam's Thread; white. 2. Yucca flaccida. Flaccid Yucca; white. 3. Phlox paniculata. Panicled Phlox; purple and white. 3. Campanula pyramidalis. Pyramidal Bell-flower; blue and white 2. Liatris squarrosa. Blazing Star; blue. 2. Epilobium spicatum. Purple spiked Epilobium. 2. Coreopsis tenuifolia. Fine-leaved Coreopsis; yellow. 3. Cassia Marylandica. Maryland Cassia; yellow.