irisarian said:Make sure they are facing the same direction or they will walk away from each other.
This is something I finally figured out. I like to plant 3 to 5 of the same rhizome together; they soon become a nice clump. But you have to make sure the growing end is facing outward, all around the triangle or circle! (This way they DO walk away from each other!) I never paid attention to the growing end of the rhizome and had them going every which way. But when the growing end is facing out your clump just keeps growing larger, for quite awhile. Then you can just cut out pieces of the "pie" and plant somewhere else when it finally gets too crowded.
