What could go wrong?
Atomic gardening is a form of mutation breeding where plants are exposed to radioactive sources, typically cobalt-60, in order to generate mutations, some of which have turned out to be useful.
Last 3 images from Beginning Of The End (1957) Starring Peter Graves & Peggy Castle. Watch on YT!
https://www.atlasobscura.com/articles/radioactive-atomic-gardening