Arizona,
United States 
how can you tell the difference between a live bouganvilia branch and a dead one?
7 May, 2010
Answers
Best thing to do is with your thumb nail scrape a small peice away on the stem and if you can see green then still alive as this is the cambien layer if not green then would say it was gone.
7 May, 2010
do the thumbnail test. rub your thumbnail on the branch if its green undrneath its live if its pale brown its dead
7 May, 2010