I have had Siloam Double Classic since 2011 every year it has performed better and better. It is true to the AHS description. This year it bloomed on 6/4 and didn't stop until the end of July. I definitely see why it is a Stout Medal daylily. Attached is the first blooms this year.
Thumb of 2015-08-17/Emquinn/6b4daa