Pam Moore wrote:
I'm not sure day lilies work in the same way as other lilies. I have a huge
clump of day lily that just keeps coming back no matter how mean I am to it
- every year it seems to double in size! - but I've never been able to get
other lilies growing in the same area.
You know the flowers are edible, do you?

Day lily flowers, or all lily flowers? I've not heard that before, no.
What kind of thing would you do with them?