The humble lettuce… a garnish to your burger, the crunch in your sandwich, the star of your salad… Believe it or not, the lettuce industry rakes in over $2 billion in revenue in California, which grows over 2/3 of the lettuce consumed in the whole of the US, placing it as the 6th most valuable food commodity1. And this is before the consideration of value-added products, such as pre-prepared salads and baby leaf salad mixes.