Did someone say orange? Next to yellow orange is my favorite color. Chris is dead on recommending Bittersweet Destiny. An orange color that's hard to beat, and it's very colorfast/sunfast: Indian Ripple combines the best of both of my color favorites yellow and orange: Another older variety that is still popular and readily available is Tuscawilla Tigress: Maryl

An orange daylily :-) Might even be the very common, almost wild, Hemerocallis fulva. And not a true lily at all.

Yes bossyvossy-- mine look similar but with more orange and less green. I had a look around today after it stopped raining and all my established day lilies are like that but not the few I planted this year. So-- I took a walk around the neighborhood and noticed other people's day lilies were similar to mine. I think our long warm fall had something to do with the change of color. Other years they just started to yellow and we'd have cold weather and- or snow so they never got a chance to show off their colors

Sounds like what you have are the species daylily H. Fulva Europa . These daylilies are stoleniferous (spread by underground rhizomes) and don't usually set any seeds and yes they will survive just about anything . I just dug up about 2 heaping 4 ft x 4 ft wagonfuls of Fulva roots and you should know that if you leave any and I do mean any of the orange roots behind 1/8th of an inch thick and larger they will grow back . So if you dig up make sure to be very thorough and remove any and all root pieces from the location before you plant anything else. You don't mention what zone you are in but do say you are hoping for evergreens and depending on your zone , Evergreens may or may not provide you with greenery year round . .