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Green Onion Production in California

Richard Smith, Michael Cahn, Marita Cantwell, Steven Koike, Eric Natwick and, Etaferahu Takele (2011)

Summary

This publication explains that Green onions (Allium cepa L.) are produced mainly in Monterey and Riverside Counties. At one time, several thousand acres (including acreage in Fresno, Orange, Los Angeles, and Sacramento Counties) were planted annually for year-round production. Much of that production has moved into Baja California, Mexico, where harvest labor is less expensive. Green onions are planted during the fall, spring, and summer for harvest 60 to 120 days later. It also addresses soil requirements, cultural practices, pest control, harvesting and handling techniques, and a a limited explanation of how the market works.