Yeah, he needs to improve his soil composition. It may take a few years of doing this to really turn it around. Focus on that and the grass will respond.
There are so many varieties now, it's tough to keep track.
https://www.brewcabin.com/hop-varieties/
Cascade, Chinook, Citra, Amarillo, Centential, Mosaic, Simcoe are all pretty versatile for both aroma and bitterness.