Flowering Perennials

Coral bells - Heuchera  
Garden mum - Chrysanthemum  
Daylily - Hemerocallis  
Iris - Iris  
Peony - Paeonia  
Hosta - Hosta  
Sedum - Sedum  
Yucca - Yucca  
Artemisia - Artemisia
Columbine - Aquilegia
Bethlehem sage - Pulmonaria
Solomon's seal - Polygonatum
Cactus - Opuntia
Yarrow - Achillea
Bleeding heart - Dicentra
Beardtongue - Penstemon


Information links courtesy:
Ohio State PlantFacts Plant List of Perennials