As National Arboretum horticulturist Piper Zettel told News4 in March, "The process takes a long time... Trees grow very slow. So we need to be patient." But the clippings have grown roots ...

"This is a National Mall icon, a Washington D.C. celebrity ... Zettel demonstrated the cutting-and-rooting process for us, using a baby cherry tree in an arboretum propagation greenhouse.

GAYLORD, MI – The illustrious Gaylord Ice Tree, a winter icon, is still going strong nearly two weeks into spring. The “tree” is created by piping water through a metal scaffolding.

That scar is an artifact of a process called grafting, or fusing two separate pieces of wood into a new tree. From citrus to peaches, almost all fruit trees are grafted, and so are pecans.