How big are the roots and the crowns of the plants and how cold is it supposed to get? Realize that the top growth might get knocked back but the roots and crown are what's important. I bet they would do fine outside until you got your bigger pots but it won't hurt to bring them in if you are worried about them. Just don't let them get used to the inside temps and then put them out in extraordinarily cold temps.

The roots are completely filling the little square pots (about 4" deep, and maybe 2" wide?) they came in. There's maybe a foot of top growth. Temps will be in the mid-40s for the next few nights... but it feels like it isn't much warmer inside than out! ;0)

I realized after I posted that message that I was probably being silly. I'm sure they'll be fine.

We've had as least 3 nights of mild frost, last night being the worst and my clematis still look good. The tender new shoots and the blooms and buds are fine,however, the moss roses didn't survive last nights frost.

There is no reason to bring them inside in our climate.

Do not bring them inside. Plant them in a temporary hole, mound dirt over them and wait until spring. Just remember to keep your tags securely attached so that you will remember which plant is which when you dig them up. They will be fine.

I've got II's in full bloom right now.

BorS, pictures please!! We are expected to go down into the high 20s or low 30s later next week. Perhaps mine will finally go to sleep!