Canadian wild ginger (Asarum canadense) is a good native ground cover that is often overlooked for it's shiny cousin, European ginger.
Erythronium americanum (American trout lily) is a colorful spring ephemeral.
Two kinds of Asclepias - Red Milkweed and Swamp Milkweed 'Ice Ballet'
Kalmia latifolia 'Minuet' - another colorful shrub for a partially shady spot
Spigelia marilandica - plant it in part to full shade
Bottlebrush buckeye (Aesculus parviflora)
Another photo of Antennaria neglecta (field pussy toes), a good ground cover for wildlife gardens.
Wild senna in a mixed border garden
Solidago Fireworks lights up an autumn garden
A field of field pussy toes (Antennaria neglecta)