How do you know when to re-pot?

Excerpt of Newsletter: October 2012, Volume 34, Number 2

Here are 11 reasons our members re-pot their plants:

Thanks everyone for suggestions which were both humorous and serious.  I now know that all my plants need re-potting. 


Special thanks to the late Phil Robson for launching the Big Question as a way for all of us to share our experience and ideas.