Amarillo and simcoe are "propietary" and not for sale.
I grow cascades, and hallertauer and am thinking about adding centennial next year.
I got 16 ounces (dried) last year from one cascade plant, and 26 ounces this year. The rhizomes are now about 3 years old.
Broken Leg Brewery
Giving beer a leg to stand on since 2006