Cowpeas, a type of legume also known as southern, blackeye or crowder peas, vary in height depending on the variety. Some cowpeas are small bushes and others tall vines. In general, mature cowpeas plants range from 20 inches to 36 inches tall.
About this Author
D.M. Cameron was a journalist and editor for wire services, newspapers and magazines for more than 20 years. In addition to editing and ghost-writing non-fiction books, Cameron now writes for several websites and trade journals. Cameron's degrees include a Bachelor of Arts in journalism from Penn State.