Answer: There are quite a few perennials that will thrive in shade in your growing region. Here are a few to consider: Aconitum (Monkshood), Actaea (Baneberry), Aegopodium (Bishop's Weed/Snow on the Mountain - can be invasive, though), Ajuga (Carpet Bugle, ground cover with flowers), Aruncus (Goatsbeard), Asarum (European Wild Ginger, ground cover), Bergenia (Saxifrage), Brunnera (Siberian Bugloss), Chelone (Turtlehead), Cimicfuga (Bugbane/Snakeroot - sounds bad, looks good!). Annuals for shade include impatiens, begonias, pansies, lobelia.
Hope this information is helpful!
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