Purple Trainwreck Marijuana Strain Pictures Posted by Johnny Green at 7:12 AM on July 23, 2012 Marijuana Strain PicturesJul 232012 July 23, 2012 Purple Trainwreck Marijuana StrainAs loyal readers will attest, Trainwreck is tied for my favorite marijuana strain. The fact that someone added purple to the equation I assume makes it even more glorious.California Herbal RemediesPrint PDFAbout Johnny Green Johnny Green is a marijuana activist from Oregon. He has a Bachelor's Degree in Public Policy. Follow Johnny Green on Facebook and Twitter. Also, feel free to email any concerns.