I have it lining the front of my main rose bed. It hasn't gotten under the roses just yet, but I don't think it will be a problem. If it does, it's fairly east to dig it up (and move it somewhere else as it's a very good ground cover). It does spread horizontally under ground, so if you like having bare earth directly under your roses (for putting in fertilizer and such) you may want to keep it from growing directly under the roses.

The main problem I have with my mondo bed is that it's been invaded by my bermuda grass (from underneath a 2 ft wide walkway, can you imagine!) and I have to keep pulling out the bermuda and other weeds. I'm hoping that the mondo gets so dense that it will crowd out the others.

When I was at Biltmore, their rose garden had what I think was fescue at the front border of the rose beds. It appeared that they edged the fescue to keep it out from under the roses. I can't do that in my bed because of the mulch. But again, I hoping that the mondo will get so dense that I can forgo the mulch at some point in the future.

Thanks for the info - this is what I was hoping for. I have some that has slowly spread to make a very pretty lush carpet that is approaching a rose bush. I think I'll let it continue on it's way. I seldom have to pull weeds from this area as it is so thick not much seems to get in there. No bermuda grass in this area but unfortunately do have it in my yard. I HATE bermuda grass!!!!

Thanks again,
Frances