Well, I finally gave up and settled for this one. Not much green...
As usual no weird and wonderful steps. I remember the general steps but was moving back and forth trying different things green so may be missing a click or two.
Anyway, I hope I'm in line with the idea here.
Opened snow pic
Opened flower pic - created new layer - created composite
C/P composite flower onto snow
Flattened layers
Blended edges around flower
Added some lighting and blur
Framed
Blu
As usual no weird and wonderful steps. I remember the general steps but was moving back and forth trying different things green so may be missing a click or two.

Opened snow pic
Opened flower pic - created new layer - created composite
C/P composite flower onto snow
Flattened layers
Blended edges around flower
Added some lighting and blur
Framed
Blu