Autumn was in full swing, leaves turning glorious colours before falling from the native earth trees, by the time the alien tree was fully recovered.
Despite his earlier protestations, Owen had thrown himself into caring for it; the alien plants in the hothouse were his responsibility so why not a tree? Besides, it was a living thing and Owen was, above all, a healer.
“What happens to it now?” he asked Jack, “It’s too big to stay in the Hub permanently.”
“Torchwood owns Flat Holm Island in the bay, we’ll plant it there.”
So they did, and there it remains.