If Merlin was surprised at her offer to help a moment ago, this latest question most definitely catches him off guard. Enough that there's a small but genuine flicker of surprise in his expression before he quickly recovers his composure.

"Not really, but I can't guarantee that no one else will pass by."

He's not the only one here with an interest in flowers, after all, and he'd discussed the possibility of transplanting some with at least one other.