Cranesbill Geranium

This is the mound of Cranesbill Geranium, which I've had since the garden opened in 2007.  I meant to pull it up at the end of last year, but never got around to it.  This flower will take over about 1/2 of the garden space this year.  It is just getting too big for the spot.  I have a lot of babies it has sprouted, and have moved them to different places, thank goodness, the plant grows relatively slow.  I am going to move that poor red Dianthus it is smothering in the front there.  One of my favorite plants at the garden.