Results of websearching so far:
This publication: http://www.uwex.edu/ces/cty/polk/hort/documents/creepingcharlie.pdf
indicates that 2,4-D is ineffective on Creeping Charlie, recommends dicamba, and says go with liquid rather than granular if possible
This allexperts answer: http://en.allexperts.com/q/Lawns-725/organic-question-creeping-Charlie.htm
points to a U of Min. study about borax, recommends a specifc formula of 20-mule-team (10 oz to 2-1/2 gal water per 1000 sq feet), and is against 2,4-D on an environmentalist basis.
This yahoo answer: http://answers.yahoo.com/question/index?qid=20090520201108AAIDi6J
is bullish on Weed-B-Gone due to being effective on other weeds too.
This yahoo answer: http://answers.yahoo.com/question/index?qid=20060628183732AAvr0mf
has a much more imprecise recommended formulation with borax (5 tbsp per 1 quart, apply with a spray bottle). Effective time, 6 weeks. Comments are hilarious.
