How to make red plant fluorescence . These are just some normal and perfectly average plants, that actually hide a beautiful red fluorescent dye inside themselves. To get it out, I just have to soak a piece of them in some good old-fashioned alcohol, and then boil everything together, which makes the solution slightly green, and when I shine a UV light onto it, it starts glowing an intense blood red color. This mysterious dye is actually just chlorophyll, which is what makes all plants green and