News Plants Borrowed genes give mums the blues ‘Holy Grail’ of flower color achieved in chrysanthemums for the first time WHO’S GOT THE BLUES? Researchers in Japan have genetically engineered the first blue chrysanthemum. N. Noda/NARO By Emily DeMarco July 26, 2017 at 3:45 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Mums are now a flower of a different color. Japanese researchers have added a hint of clear sky to the humble plant’s palette, genetically engineering the first-ever “true blue” chrysanthemum.