Invasive Heleconia

Last weekend I began to thin out a few of the Lady Di Heleconia. Now these have been my favourite heleconia by far, BUT the problem I now discover is that they are very invasive. Sooooo.... I made the huge decision to rip them out - yes all of them. So far I have just removed them from the front section. My hubby is very nervous as he loves the privacy they give, but just one day of digging out roots made me convinced that the sooner I get rid of them the better. We are going to have a bald spot for a while, sorry Hubby! I cant afford to go out and buy some full size plants, so will have to start out with some more cuttings, but look how quickly the garden filled in before from nothing. I like the look of the purple flowers and yellow leaves together alongside this area and the red of the pointsettia in the winter, although I wonder if it some sort of diesease with the yellowing of its lea...