Thanks, Bobby for reworking this topic. It is an important one. I saw your post to the Robin, and wondered if you would come back here to update us.
Pam - it's way to easy to separate the background (foliage) from the subject (daylily) to rely on looking at the foliage to see if a photo has been altered. I sometimes color correct the foliage only - and the flower will then look more like it does in real life. I have a Nikon point and shoot that makes glaring bright green foliage, where my Canon Digital SLR makes all the foliage to orange-yellow.
I agree, Bobby - the corrections you are showing should be perfectly acceptable. I've had times when I edited rust off foliage of a neighboring plant because they were so closely planted that it would appear to be on the plant whose flower I was taking the picture of. (hope that made sense! LOL) Or a neighboring plant will suffer leaf streak and make the photo look awful.