He needs to head to the Hallertau region just north of Munich for hops. There's a Friedburg north of Frankfurt and one in Bavaria.
If he drives along the
Deutche Hopfenstrasse, he'll come across loads of hop farms. It starts in Freising (home of Weihenstephaner Bier) and heads north on the B310 for about 50 klicks.
I did a drive there back in June during Hop Harvest. What a hoot, but the dialect was a bit difficult, but we managed...
