Diets shouldn't be lettuce based. It is grown as a cool-weather vegetable, thriving when the temperature stays between 60 and 70 degrees Fahrenheit. Iceberg lettuce is a variety of crisphead lettuce which is widely consumed across the world. It may subsequently become frozen into pack ice (one form of sea ice ). But because Romaine lettuce is full of antioxidants and chlorophyll which clean your internal biochemical gears. Have you ever made a salad with lettuce that just seemed limp or wimpy? Iceberg lettuce has a crisp texture and cooling effect, both of which are good indicators of its higher water content, according to nutritionist Carolyn Williams, PhD, RDN. Once dried, the substance is called lactucarium, or lettuce opium. Other types of lettuce contain even more fiber than iceberg lettuce, so if you have difficulty tolerating iceberg lettuce, other types of lettuce may affect you more severely. This makes it great for getting in extra hydration during hot days. When cut, the stems of lettuce plants ooze a milky juice whose appearance, taste, and smell are said to be similar to opium. Iceberg lettuce is a variety of crisphead lettuce which is widely consumed across the world. Iceberg lettuce contains the vital nutrients vitamin A and potassium along with trace amounts of fiber and protein. Mulch your lettuce to keep the roots cool and fool the plant into thinking its still spring. This wikiHow article tells you how to make your lettuce more crisp and refreshing with minimal time and effort. An iceberg or ice mountain is a large piece of freshwater ice that has broken off a glacier or an ice shelf and is floating freely in open water. Make sure to keep iceberg lettuce refrigerated and eat it within a few days of purchasing. It's best planted in early spring, because once the heat hits its growth is stunted and the leaves turn bitter. Repeat this step a few times. There’s no way you can completely stop Mother Nature, but there are ways you can delay the result. Iceberg lettuce contains the vital nutrients vitamin A and potassium along with trace amounts of fiber and protein. The term can be used to describe any kind of lettuce that forms what we call a “head.” If you’ve ever looked at iceberg lettuce in the vegetable section of your local supermarket, you can tell that it is head lettuce. Also iceberg lettuce has high content of pesticides which are found to be harmful for the health. It is characterized by tightly furled, crunchy leaves and a mild, sometimes watery flavor. How to Crisp Lettuce. Interplant your lettuce with taller crops to provide shade as the weather warms. Be sure to remove all dirt, bugs and other debris from the lettuce leaves before putting them in the bowl. The Iceberg Lettuce Nutrition Myth The Iceberg lettuce nutrition myth is really getting old. Gas Pains Iceberg lettuce can also cause stomach cramps by increasing the amount of gas in the intestines. Iceberg lettuce has a very mild flavor, which makes it adaptable to many salads and … It's best planted in early spring, because once the heat hits its growth is stunted and the leaves turn bitter. Of the two lettuces, Romaine is what I recommend. Most likely, your bitter lettuce is the result of the maturation process. Not because it causes drowsiness, trust me it’s not even remotely close to an Ambien!