Published Fall 2015
As many consumers are aware, there has been a shortage of Kosher-certified iceberg lettuce on the market over the last few months. Many people have been wondering why this shortage suddenly happened this year and when it will end. While it is true that iceberg lettuce is generally easier to clean and check than romaine, it still poses some of its own unique challenges. To clarify this issue, it is important to understand some background about how iceberg lettuce is grown, harvested and processed.
HOW ICEBERG GROWS
Iceberg lettuce initially grows open, just like romaine, during the first few weeks of its development, before cupping over and closing up. Once it cups, all of the newer leaves grow inside the closed head. If the time period when it was open was subjected to high levels of insect pressure, insects could crawl inside the open head and become trapped once the […]