United Kingdom 
not a question, just an observation.
My Robinia after two poor years has, this year produced new growth both from the branches and trunk. So give them time and do not destroy too soon
18 Jul, 2010
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« my fir tree kept in a pot has mostly gone brown/dead what can I do to save it
Indeed, once the roots get under steam as it were, the top will make good growth.
18 Jul, 2010