Head lettuce is exactly what it sounds ... Frisée actually looks kind of frizzy! Its leaves are pale green or yellowish and thin, curly, and crunchy. It’s very bitter, so frisée is best ...

How To Keep Bagged Lettuce Fresh Tiess says that lettuce with firmer leaves like escarole or curly endive, radicchio, as well as long-stemmed lettuces like Belgian endive and Asian celtuce ...

Set a timer for two minutes and then separate the leaves from the head of the lettuce. Gently submerge the lettuce leaves in the vinegar and water solution and let them soak for exactly two minutes.

Sow seeds directly into the ground or into raised beds or containers. Lettuce seeds are tiny and should be planted ...