Good to know, and I hate that you have bermuda grass. That stuff is a devil in disguse. Makes a pretty lawn if pampered into good behavior with all sorts of fert and chems but it is truly H__l in a flower bed. I've dug down as much as 6" and still didn't get to the bottom of their roots. I also have another grass that looks alot like bermuda but it's so darned tuff, hard to break, and even harder to dig up. Not sure what it is, but it sure is b ad. AND through in some Johnson grass just for amusement and all sorts of big leaf weeds. It's a constent fight. And, if you really want a problem, plant some Maple trees within 100 foot of your beds. They grow their roots on top of the ground and will kill out anything in the general area. I have thousands of daylilies in pots and they invade the pot and will litterally eat up all the soil in the pot and leave nothing but a huge mass of their roots with a dead daylily if you don't rescue them soon enough.
I'm going to get those Iris out of that bed. They are some pretty ones, in a rainbow of colors. I'm ashamed I let them get in that shape. Now, to the task.
I sure have been enjoying everyones posts on here. Ya'll have beauties!!