Wildflower/plant question for WNC

Hi! We live in Western NC, in the mountains near Asheville at about 3,000 ft elevation. Beside our house is a fairly large and steep east-facing bank that receives partial sunlight. We'd like to seed it with wildflowers and/or some type of flowering foliage that requires little, if any, care. We don't know much about gardening, though, so figured this might be a good place to get suggestions on types of plants to consider. Thanks for any help you can provide!
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