I wouldn't worry too much about the alfalfa. I add alfalfa in the hole and around the plants then top dress with it every fall after I have already added to the beds a few weeks before planting without a problem. I would wait and see what the results are before jumping to too many conclusions.
One thing I did last year when the ph was too high in several beds was mix the garden sulfur you use for hydrangeas with water and poured in the beds for a quick lowering of the ph. I don't know if it actually helps lower it fast or not but it seemed to do the trick in a couple of weeks.
Please don't panic
Your daylilies aren't going to die overnight so just be patient and wait and see what the results are of your test.
