First Flower Blooms in Space, Key to Living on MarsAstronaut Scott Kelly tweeted a photo of the first flower to successfully bloom in space. But it wasn’t easy to get to this point.CopyFacebookXTruthGettrLinkedInTelegramEmailSaveNASA astronaut Scott Kelly took this selfie with the second crop of red romaine lettuce in August of 2015. Credits: NASABy Daniel He1/21/2016Updated: 1/22/2016PrintMold initially grew on the plant in pillow E in the bottom left corner of the plant mat. NASA