Classes of wheat common in North America

Five principle classes of wheat are commonly grown in North America:
Hard Red Winter 
This wheat is grown in large quantities. It has moderately high protein content and used for bread. Hard Red Winter Wheat mostly grown in the central and southern Great plain.

Soft Red Winter Wheat 
Used for cakes and pastries. This wheat grows in the eastern and southeastern states of United States.

Hard Red Spring Wheat 
This wheat has the highest protein content of North American wheat and is used for manufacturing bread. It grows mainly in northern Great Plains.

White Wheat 
This wheat is suitable for pastry flour. It grows in New York, Michigan and the Pacific Coast states.

Durum wheat  
Grow in North Dakota and other northern Plains states.  This is the hardest of the five wheat classes. It is for spaghetti
Classes of wheat common in North America