This Genetically Engineered Petunia Glows in the Dark and Could Be Yours for $29

The engineered “firefly petunia” emits a continuous green glow thanks to genes from a light-up mushroom

https://www.scientificamerican.com/article/this-genetically-engineered-petunia-glows-in-the-dark-and-could-be-yours-for-29/