Abstract
Lettuce is known as “Green Gold” in California, as befits its place as the most important salad vegetable grown in the most important vegetable state. This lofty position is a consequence of its place in or under nearly all salads. About 70% of U.S. crisphead lettuce is produced in California, 16% in Arizona, and the rest in several other states. California production is concentrated in the coastal valleys in summer, in the desert valleys in winter, and in the San Joaquin Valley in the spring and fall transition periods (Tables 2.1, 2.2).
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References
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Ryder, E.J. (1979). Lettuce. In: Leafy Salad Vegetables. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-9699-4_2
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