Here is scene from the path behind the Winter Garden. Left to right, those shrubs are Hamamelis x intermedia 'Orange Beauty', Hamamelis x intermedia 'Carmine Red', Cornus mas and Stachyurus praecox. The Viburnum x bodnantense 'Charles Lamont' on the entrance plaza has a lot of colour now. Here is Prunus mume, common name Chinese plum or Japanese apricot. And Corylopsis pauciflora.
Okay leaves. One of my favourite trees in the garden is this young Eucalyptus rubida. It's actually the red stems I like. Nearby is Eucalyptus pauciflora, with nice white bark. Hebe 'Silver Dollar'. Did the renaming of Hebe to Veronica not take? Have I only done trees and shrubs so far? Here is something different, but in the same colour scheme - Eryngium eburneum.
I forgot a couple of flowers. I think this has to be Camellia sasanqua 'Setsugekka', near the group of four shrubs that started this thread. And American skunk cabbage - Lysichiton americanus. I'm a little lost here, but I think these are looking like male flowers on the Cercidiphyllum japonicum 'Morioka Weeping', in the Winter Garden.