Agri-Stats: Romaine


Insert photos of romaine lettuce 


  • Cultivation of Romain can be traced back 6500 years to ancient Egypt.
  • The name “Romaine” came from the lettuce grown in ancient Roman papal gardens.


  • California produced about 75% of the U.S. production of Romaine lettuce. 
  • In 2007, 57% of the lettuce produced in California came from the Salinas Valley in Monterey County, where lettuce is harvested from Spring to Fall. 
  • In 2017, there were about 40,233 harvested acres of Romaine in the Salinas Valley with a gross revenue of $1,988,950,000.
  • Common varieties of Romaine lettuce grown todsy are Parris Island Cos, Valmaine, and Little Gem. 

Production Information


Nutrition Information 

One romaine lettuce leaf possesses about 8 calories, 1.5 g of carbohydrates, 1 g of fiber, 0.6 g of complete protein and 0.1 g of total fat. It contains Vitamins B, C, K, as well as Calcium, Phosphorous, Magnesium, and Potassium.

Health Benefits include (Butler)

  • Antioxidant activity
  • Bone health
  • Folate is good for heart health
  • Treat eye problems
  • Slows the aging process
  • Enhances immune power
  • Assists in losing weight 
  • Induces sleep

Books and References

Anderson, Burton. The Salinas Valley, A History of America’s Salad Bowl. Monterey Historical Society. 2000.

Whelan, Corey and reviewed by Butler, Natalie, Rd, LD. Does Romaine Lettuce Have Any Nutritional Benefits? HealthLine. April 14, 2017.

Geisseler, DAniel and Willam R. Horwath. Lettuce Production in California. A Collabration betwenn California Department of Food and Agriculture (CDFA) and University of California, David.

Monterey County Crop Report. Monterey County Ag Commissioner’s Office. 2017.