"Low maintenance" planting beds for in front of a home business

[Curmudgeoness]

5. Everything that I have is maintenance-free

or at least I do no maintenance. I should do a little to keep it from getting too overgrown, but I take the "survival of the fittest" attitude....and I have seen things disappear because of it.

This is what my backyard is like:

http://www.democraticunderground.com/103631546

It is pretty shady, so the plants may not work if it is very sunny.

Where I work, they did low-maintenance landscaping, and what has worked well over the years is: Black-eyed Susans, Coneflowers, and the Daylilies are beautiful. The only thing that needs done is to keep it mulched so weeds don't get a foothold.