Premium Lettuce Mix consists of any types of lettuce out of Locarno, Lollo, Romaine, Ice Berg, Summer Crisp, Butterhead and Green/Red Oak lettuce. The lettuce is curly and frilly, with leaves shaped like a hand fan that are light green in the centre and transition to a deep red-maroon around the edges. fresho! premium lettuce is tender, crisp, and chewy with a sweet, slightly bitter, and nutty flavour. It is hydroponically grown with live roots and is pesticide-free and completely traceable to the farm. It is grown hygienically and saves up to 90% water as compared to conventional farming.