In the world of flora, some plants are revered for their slow, steady growth. The glacial pace at which a bonsai tree takes its shape over many years – even over multiple lifetimes – fascinates us. We marvel at the great redwood forests of the Pacific Northwest, with trees dating back centuries. On the other hand, there are also some plants that grow so mind-blowingly fast that you can actually sit there and watch them get bigger before your very eyes. Now, which do you think we’re going to focus on …?