Johnsons\' Organic Lettuce Parris Island Cos Seeds are easy to grow for delicious, fresh salads. This crisp cos variety produces a succulent cos lettuce with broad leaves forming tight, heavy heads reaching an impressive 3kg. Sow outdoors between March and July, and harvest between June and October. Average pack contains 200 seeds. Warning: Seeds should not be eaten. Store out of reach of children and pets. Always read the instructions before use. Johnsons Lettuce Paris Island Cos Organic Seeds