Answer: Lilies would like the conditions you describe, so try some of the Asiatic hybrids. Some Ageratum will tolerate shade, as will Lobelia, periwinkle, Twinspur, Heliotrope, Sweet Alyssum, Phlox and Viola. Primrose and Campanula might be happy there, too. For texture and interest, try adding a few ferns, as well.
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