Beautiful! I am going to do this, and start today! I have one daylily that has to be moved, and lots more that can or should be moved, and I have a sloping side of the ditch that comes down from the mailbox. It currently is covered with tall grass that I haven't taken the time to "weed-whack" and your solution will be perfect. I'm going to do the spring bulbs too...

Good, I am glad I can inspire others to make a daylily garden on a slope. Honestly the difficult part is getting it done. The maintenance is really easy once it is established. And adding some spring bulbs simply adds another season of color.