Expected shelf life for lettuce is approximately two weeks. The majority of sales are in UK with some export sales into into Erupe. Lettuce is quite sensitive to most herbicides. Growers must find alternative ways to control weed growth during the growing season. Crop rotation, thorough clean-up of weeds before seeding, and tilling between rows are all practices which can help limit weed growth and labour intensive hand weeding.
Growers also face intense competition from from abrord.