I recently purchased some gorgeous daylilies, not realizing that they wouldn't ship until early September. I'm in the Southwestern quarter of Ohio, and our average first frost is in October (dates vary according to which website one consults).
The plants are coming from northern zone 7a, which is not too much different from mine, but still worrisome. Is there anything extra I can do to get these plants established and protected so that they will survive our zone 6a winter?
Any suggestions would be appreciated!

Do you have trouble with daylilies frost heaving out of the ground in winter? I would put a couple of rocks or bricks around each plant to prevent that happening and then mulch them in with chopped leaves or whatever you use. I did this when I got a couple of daylilies that arrived late in the season for us, they did fine.

Wow, I never would have thought of bricks! Even though a lot of our beds are done in landscaping bricks. Thanks so much!

Can I mulch UNDER the bricks as well?

I did not mulch under the bricks, but did over the tops with lots of chopped leaves. The chopped leaves stay in place well here as they get rained on and settle in place. Good luck with your daylilies!

You sure can find out a lot of nice gardening tips from this site!