How Long Does Cos Lettuce Take to Grow

Romaine and Butterhead lettuce can be harvested in about 60 to 70 days from planting. Iceberg (crisphead) varieties take longer and should be harvested as soon as a head develops but before outer leaves turn brown.

How long does it take for cos lettuce to grow?

Cos varieties are my favourites, take about ten – eleven weeks to grow up, and outer leaves can be harvested while the lettuce is still growing. Cos lettuce are great in cooler climes, and can easily become a winter favourite.

Will Cos lettuce regrow?

The next time you chop up a head of cos lettuce for salad, hang on to the very bottom. The “heart” can be placed in a pan of water and eventually sprout a whole new head of lettuce, ready to harvest, eat and repeat the process.