I'd say it would be more presumptuous of me to suggest you take my opinion as an authority, and not the other way around. If you're asking for my judgment, I'm happy to offer it.

[But he regards Ardyn a little carefully, not quite to the point of scrutinizing while still being thoughtful.]

I'd suggest nasturtiums, personally. They're considerably smaller than rose blossoms, but still brightly-colored. It'd be a more...refined sort of whimsy, you could say. And I know I've seen some around.