A 3-D printed model of the canister. Courtesy of NASA hide caption itoggle caption Courtesy of NASA The Salt Moon Turnips? NASA Takes Gardening to New Heights December 3, 2013 The space agency has announced plans to grow turnips, basil and cress on the moon by 2015. The experiment could be good news for astronauts sick of their freeze-dried fare. But researchers say the real goal is to see if humans could one day live — and farm — on the moon.