All of mine eat up all available space. Next time I dig one I'll pot it to try and stop the spreading.
SS- that one is in only morning sun. All others are in full sun. They never get fed and the soil is not enriched. Our irrigation system goes on for 45 minutes at a time, three times a week. I had them change it to four times a week for 2016.
Here's the original one, planted in 2007, that led to so many more:
As of 10/2011:
9/2012: Dividing time.
(Just one division!)
