varietas
Abyad, Adriatic, Alma, Atreano, Bataglia, Black Bethlehem, Black Madeira, Black Mission, Brown Turki, Sierra, Calimyrna, Kadota, Deanna, Figoin dan Hardy Chicago Gambar
Evan, Mesabi, Meteor, Northstar, Montmorency dan Mongolia
Jenis tanah
Tanah liat, Batu kapur, Lempung, Sandy
Sandy