KEY POINTS
  • Prices for lettuce varieties including iceberg and Boston lettuce soared after an outbreak of E. coli linked to romaine lettuce stopped sales of the popular salad green.
  • For the 52 weeks ended Nov. 10, U.S. lettuce production was valued at $1.6 billion, according to the latest Nielsen figures.
A produce worker stocks shelves near romaine lettuce (top shelf, right) at a supermarket in Washington, DC on November 20, 2018.

After an outbreak of E. coli linked to romaine lettuce took the popular salad green off the shelves, prices for other types of lettuce soared, according to United States Department of Agriculture data.

In a weeks' time, the cost of a 24-count carton of iceberg lettuce rose anywhere from 168 percent to 119 percent. On Nov. 19, one day before the advisory, iceberg lettuce sold for $16.56 to $20.85 per carton. By Nov. 21, suppliers fetched between $36.65 and $39.56 for the same box. On Nov. 26, the day the advisory was lifted, the price had climbed to $44.35 to $45.65, according to the USDA's National FOB Review, which tracks daily produce prices. The numbers cited are for 90 percent of the sales tracked.