Answer: Although mid summer is not an ideal time to transplant, you can probably do it successfully if you are careful. The daylily should do fine, but the phlox is riskier. Water them well the day before. Cut them back by two thirds and dig them with as large a rootball as possible. Replant immediately, mulch and water well. Keep a good eye on the water until they are well established in the new location. Good luck with the rearranging!
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