Posted: 23/11/2013 at 16:04
We divided a couple of plants a week or two back, and some of the flower stems broke off, so we brought them in doors and put them in a vase. Within a few days they had developed roots.
A few years ago, we split up a clump, and one bit got left lying on the border unintentionally. The following spring it had rooted itself. This is the clump same clump that we've just divided.
From my view they just want to grow whatever you do to them!