Outdoor/ Indoor Batavia with an excellent formation and fast growth that are denser and bigger than Invicta and Jonction. The Olmetie RZ is the best Batavia variety in the world of commercial growing. Also known as summer crisp, this Batavia type is easy to grow, relatively tolerant of hot weather, and harvestable from baby leaf to full size. Very crisp like romaine, but sweet and juicy, without bitterness. Harvesting Tips: The earlier in the day you harvest your lettuce the longer it keeps and the more nutritious it is. If you harvest lettuce at 6 am and put it in a plastic bag in the fridge it will keep for a week as fresh as when harvested. If you harvest lettuce on a sunny day at 2pm it has already wilted as water has evaporated from the leaves and the sunnier the day the more water evaporates. Disregard this tip if you are growing hydroponically indoors.