This chart shows a high-low range of f.o.b. prices for romaine lettuce shipping in 24-count cartons and 12 three-count packages of hearts, from the week when the CDC identified romaine as the source of the E. coli outbreak to the present.
F.o.b.s for romaine hearts have dropped from a high of $26.75 on April 10 to a high of $11.55 on May 15.