I'm assuming you probably mean avalanche as it has a green tinge to it's outer petals - otherwise F Green is quite pale at times.
Vendella.
Viburnum berries are in season, both black and red.
You probably could do with getting yourself a book from the FCH which lists availability - failing that, look on their website:
http://www3.plantscope.nl/pls/pscprd...&pcTaalCode=UK