Grass and Bamboo: Grass ID?, 0 by donn

donn wrote:
I'm thinking of trading for a division of this grass, which is 7' tall and growing in California. First, however, I need to ID it so I can be sure it's hardy in my zone.

The plant looks a little like variegated Arundo donax, but the bloom looks more like Miscanthus.

Is it Miscanthus sinensis 'variegatus?'
Is it a cultivar of Arundo donax, like 'Peppermint Sticks?'
Is it something else?

Thanks in advance.