Romaine lettuce - Wikipedia. Romaine lettuce (Lactuca sativa L. var cos lettuce
Cos lettuce
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. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. It is tolerant of heat and often sold as whole heads or hearts. It has a bitter herb taste and may be used in salads, Caesar salads, and Middle Eastern cuisine. It is also known as cos lettuce in British English.. How to Grow Cos Lettuce | Guide to Growing Cos Lettuce - Heirloom Organics cos lettuce. Learn how to grow cos lettuce, a popular variety of Romaine lettuce with crispy, flavorful leaves, from seed or transplant. Find out the best conditions, methods, and tips for successful cultivation of cos lettuce in your garden or greenhouse.. Romaine Lettuce: Nutrition, Calories, and Recipes - Healthline. Sturdy, crunchy, and packed with nutrition, romaine lettuce is a hearty salad green. Also known as cos lettuce, romaine lettuce is known for its nutritional benefits and savory, yet neutral taste.. Parris Island Cos lettuce ️ Romaine with a rich legacy. Parris Island Cos Lettuce is an American heirloom variety of romaine lettuce. Dating back to 1952, this old variety is known for its tall height and tender leaves. It is still one of the most popular cultivars of romaine to grow in the garden. Seedlings begin to emerge after about 7 to 10 days.. Best Way To Grow Romaine Lettuce - Tips For Growing Romaine Lettuce. If you enjoy the taste of romaine or cos lettuce, youre not alone. Humans have been planting romaine lettuce for nearly 5,000 years cos lettuce. Romaine is a popular sandwich topping and the lettuce of choice in Caesar salad recipes. This nutrient-rich vegetable is an excellent source of minerals and antioxidants, yet still boasts an amazingly low 10 .. Romaine Lettuce - The Harvest Kitchen cos lettuce. Romain Lettuce is a type of head lettuce that was apparently discovered by ancient Romans on the Greek island of Cos. This lettuce is also called Cos lettuce cos lettuce. Its botanically classified as Lactuca sativa, and its possibly one of the oldest lettuces in the world cos lettuce. It has sturdy, narrow and long deep green leaves. cos lettuce. Romaine Lettuce Recipe & Nutrition - Precision Nutrition. Also known as "Cos lettuce", Romaine lettuce is a hardy, nutritious lettuce that is ubiquitous among salads. Romaine lettuce is slightly bitter and slightly sweet, with a satisfying crunch cos lettuce. Like many leafy greens, it is low in calories but high in nutrients, particularly vitamin K, vitamin A, folate, and molybdenum. You will love Romaine lettuce, but so do teensy weensy bugs.. Romaine or Cos lettuce | Love my Salad. Romaine lettuce is the term more often used in the USA to describe a Cos lettuce. Typically it is a tall lettuce with long slender leaves and at maturity forms an elongated cupped heart.. Cos lettuce recipes - BBC Food. Cos lettuce recipes Cos or Romaine (Romano) lettuce is long and almost oblong in shape. The leaves are thick and firm with a stiff central rib. The outer leaves are slightly bitter, but the.. Iceberg lettuce: Nutrition, benefits, and how to use it cos lettuce. Cos or romaine lettuce has a better nutritional profile than iceberg lettuce. Even though romaine lettuce still contains a significant amount of water at nearly 95%, the amounts of fiber, vitamins .. 17 Facts About Cos Lettuce - Facts.net. Cos lettuce, also known as romaine lettuce or Romaine Cos, gets its name from the Greek island of Cos, where it was believed to have originated cos lettuce. Nutritional Benefits This leafy green is packed with nutrients. It is a good source of vitamins A, C, and K, as well as folate and fiber.. How To Grow Parris Island Cos Lettuce - Gardening Know How. Today, it is celebrated as a reliable heirloom lettuce and is a favorite romaine lettuce (also called cos) in the southeastern U.S. where it can be grown in fall, winter, and spring. It can be slow to bolt in the heat of summer if given a little afternoon shade and daily irrigation. cos lettuce. Romaine (Cos) Lettuce - Food Facts - Food Reference. Romaine (Lactuca sativa, variety longifolia).Also known as: Cos, Roman lettuce, Manchester lettuce. Romaine is the American term for this long leafed lettuce, also called cos or cos lettuce (mainly with British-speaking peoples) because it is said to have originated on the Greek island of Cos (Kos), off the coast of Turkey in the Aegean Sea (also the birthplace of the physician Hippocrates).. Vegetables English - UC Postharvest Technology Center. Romaine or cos lettuce is an elongated heading lettuce type. Maturity is based on the number of leaves and head development. A very loose or easily compressible head is immature and a very firm or hard head is overmature. Cut Romaine lettuce, however, is commonly packaged in low O 2 (<1%) and high CO 2 (7-10%) atmospheres because these .. Romaine Lettuce (Cos) - Johnnys Selected Seeds. Romaine lettuce, also known as Cos lettuce, has long, broad, upright leaves that hold themselves bunched together as they mature. Although romaine varieties are well known for the hearts at the center of the heads, the outer leaves can also be used in salads, as a tortilla substitute for wraps, and are delicious grilled.. Planting, Growing And Harvesting Lettuce - Bunnings Australia. Learn how to grow lettuce (cos lettuce, romaine) from seeds or plants, and how to care for it in pots or garden beds. Find out the best varieties, soil, watering, feeding and pest control tips for lettuce.. Blush Butter Cos Lettuce Seed| Vegetable Seeds from Gurneys. Blush Butter Cos Lettuce is beautiful, too, with apple green, savoyed leaves edged with a pink blush cos lettuce. Butterhead lettuces have long been treasured for their delicate flavor and buttery texture cos lettuce. However, theyre more likely to bruise when harvesting. Thanks to its romaine lineage, Blush Butter Cos stands up better to harvesting, and it tolerates .. Cos lettuce Nutrition Facts | Calories in Cos lettuce - CheckYourFood. UPDATE SIZE Portion size set to: 35 g Want to use Cos lettuce in a meal? Find information on calories, carbs, sugars, proteins, fats, salts, fibre and vitamins and Check Your Food today!. The Ultimate Guide To Lettuce and Salad Green Varieties - The Spruce Eats. Basic Ingredients Cooking School Ingredient Glossary The Ultimate Guide To Lettuce and Salad Green Varieties With 16 different types, salad will never be boring By Molly Watson and Megan Scott Updated on 08/2/23 The Spruce Eats / Isabella DiRenzo In This Article About Lettuce Green and Red Leaf Lettuce Romaine Lettuce Butter Lettuce Little Gems. COS LETTUCE | English meaning - Cambridge Dictionary. COS LETTUCE | English meaning - Cambridge Dictionary Meaning of cos lettuce in English cos lettuce noun [ C or U ] UK uk / ˌkɒs ˈlet.ɪs / us / ˌkɑːs ˈlet̬.ɪs / ( also mainly US romaine) Add to word list a type of lettuce (= green salad vegetable) with long, narrow leaves YinYang/E+/GettyImages SMART Vocabulary: related words and phrases. Cos Lettuce Salad - 43 recipes | Woolworths cos lettuce. Find 43 recipes for cos lettuce salad, a versatile and nutritious ingredient that can be used in various salads, such as Caesar, Waldorf, Greek and Mexican. Browse the list of recipes by difficulty, time and ingredients, and get inspired by the fresh ideas from Woolworths.. Lettuce: Health Benefits, Nutrients, Preparation, and More - WebMD cos lettuceHydration Water makes up over 95% of raw lettuce
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. Lettuce (Lactuca sativa) is an annual plant of the family Asteraceae.It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lettuce is most often used for salads, although it is also seen in other kinds of food, such as soups, sandwiches and wraps; it can also be grilled cos lettuce. One variety, celtuce (asparagus lettuce), is grown for its stems, which are eaten either raw or .. 7 Different Types of Lettuce with Pictures - Only Foods. Romaine Lettuce (Cos) 3.3g: 17 kcal: Little Gem, Parris Island, Cosmo: Salads and sandwiches; typically used in Caesar salads: Summer Crisp: 2.5g: 7 kcal: Cherokee, Nevada, Salinas: . Which lettuce types are best for growing in a kitchen garden? Leaf and Romaine lettuce are typically grown in kitchen gardens as they grow quickly, need less .. ロメインレタス - Wikipedia cos lettuce. ロメインレタス ( 英語: Romaine lettuce, 学名: Lactuca sativa var cos lettuce. longifolia) または コスレタス (Cos lettuce) は、 レタス の品種の1つである。. 硬い葉脈を持つ長細い丈夫な葉が半結球する [2] 。 cos lettuce. 他の大部分のレタスとは異なり、熱に耐性を持つ。 cos lettuce. 和名 は タチチシャ .Cos Lettuce or Romaine Lettuce (กรีนคอส หรือ ผักกาดโรเมน) - Farm .. Cos Lettuce or Romaine Lettuce (กรีนคอส หรือ ผักกาดโรเมน) ผักคอส หรือผักกาดโรเมน .. Ultimate Romaine Lettuce Guide: How to Store, Wash, and Cut + Recipes. Rich in vitamins and minerals, crispy, crunchy romaine lettuce has 8 calories per cup cos lettuce. Learn how to store, wash, and cut it for any healthy romaine recipe
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. How to grow Lettuce | RHS Vegetables. Cos lettuces have an upright, oblong head and come in various sizes, with a crisp mid-rib cos lettuce. Crisphead lettuces produce large hearts of curled, crisp leaves with a mild flavour. They are more resistant to bolting (flowering prematurely) and store well in a fridge. Lettuce seeds can be sown indoors or outdoors, in containers or in the ground . cos lettuce. Iceberg Lettuce vs. Romaine Lettuce: Whats the Difference? - EatingWell. Iceberg lettuce is typically a pale green, and is lighter in color than romaine lettuce. Meanwhile, romaine lettuce is in a category of its own called romaine, or cos, lettuce. It grows in an elongated head whose leaves are more loosely attached. Romaine lettuce leaves feature a long rib that runs through the center of the leaf, from top to bottom.. Lettuce Nutrition Facts - Eat This Much. Lettuce Romaine or cos, raw cos lettuce. Main info: Lettuce Romaine or cos, raw 1 cup shredded 8.0 Calories 1.5 g 0.1 g 0.6 g 1.0 g 0 mg 0.0 g 3.8 mg 0.6 g 0 g cos lettuce. Find on Amazon. Percent calories from. Nutrition Facts; For a Serving Size of (g) How many calories are in Lettuce? .. 13 Lettuce Growing Problems & How To Fix Them - Rural Sprout. Romaine/Cos lettuce - Romaine hearts are for Caesar salads. If you are seeking a variety of lettuce with more nutrients and even more flavor, Romaine is what you will find. Both the Romaine leaves and hearts are a beneficial source of vitamins A, C, K. Iron and calcium are included. cos lettuce. Lactuca sativa longifolia Cos Lettuce PFAF Plant Database. This is the cos lettuce, a taller growing plant that has longer, thinner leaves and a more erect habit, it does not form a compact heart. There are many named varieties[183] capable of providing fresh leaves throughout the year if winter protection is given in temperate areas. Lettuces are quite a problematic crop to grow. cos lettuce. Spicy Joints Creamy Sesame Sauce Lettuce Salad cos lettuce. Traditionally the lettuce used are the leaves of a Chinese vegetable called youmaicai (yo-MAI-TSAI), also known as celtuce in English. It has good crispy crunch and is slightly nutty, and goes exceptionally well with this dressing. I used baby cos (aka Romaine) lettuce as I feel it has similar texture, ie. crispy, juicy and crunchy.
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. How To Harvest Lettuce Of All Types - Epic Gardening. Cos Lettuce. Cos or romaine lettuce has a desired crisp or crunch factor to its leaves. As it develops, the outer leaves of the lettuce plant can be harvested. You can cut off the leaves 1-2 inches above the soil. By harvesting these young green leaves, there is more time for the lettuce to mature for the ability to harvest entire plants.. How to grow lettuce in pots: expert tips for container crops. Loose-leaf and cut-and-come-again varieties are best for growing in pots, but Graham Rice, gardens expert for Homes & Gardens, recommends cos lettuce as a dramatic and interesting alternative for growing in pots. He claims their benefits include lasting longer without running to seed, which is beneficial especially in hot, dry weather or .. COS LETTUCE | Both | More Varieties - Perfection. Springing With Sweet Crunch cos lettuce. It may be one of the oldest members of the lettuce family, but its succulent crunch is one of the freshest flavours around. You can spot Cos Lettuce by its long head of dark green leaves. Sink your teeth in and soak up the delicate flavours of sweetness and tang, offset by crispy crunch and bursting with a .. How To Grow Lettuce For Great Harvests All Year Long. Cos Lettuce. Parris Island cos lettuce. Source: essgee51 cos lettuce. The term "cos" is a term for romaine lettuce and related types of lettuce. These lettuces have an erect growth pattern, with long spoon-shaped leaves that form a tight head pattern cos lettuce
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. Butterhead lettuce. Alternate names/varieties: Butter lettuce, Boston, bibb (limestone), Mignonette, Buttercrunch lettuce. Characteristics: A type of head lettuce, the leaves of Boston and bibb .. Romaine lettuce: Nutritional information and health benefits. Romaine lettuce is more than just a tasty leaf that adds color and crunch to a salad cos lettuce. It also provides vitamins, minerals, and fiber. For example, one 70 gram (g) salad serving of romaine lettuce .. Iceberg Lettuce Nutrition Facts and Health Benefits - Verywell Fit. One cup of shredded iceberg lettuce (72g) provides 69 calories, 0.6g of protein, 2g of carbohydrates, and 0.1g of fat. Iceberg lettuce is a good source of vitamin K, fiber, and potassium.. Cooked Lettuce with Oyster Sauce & Garlic - The Woks of Life. Add the minced garlic, light soy sauce, oyster sauce and 3 tablespoons of water. Bring the mixture to a simmer, and then turn off the heat. Set aside. When your water is boiling, add the remaining 1 tablespoon of oil, along with the romaine lettuce leaves. Cook for about 20 seconds, to lightly wilt the lettuce.. Planting, Growing And Harvesting Lettuce - Bunnings New Zealand. Name: lettuce, cos lettuce, head lettuce, loose-leaf lettuce, butter lettuce, romaine, Lettuce sativa cos lettuce. Height: 15-40cm. Foliage: annual plants with green or red foliage cos lettuce. Climate: all climates and areas. Protect from heavy frost cos lettuce. Soil: plant in a soil enriched with compost and decomposed manure. An alkaline pH is preferable to acidic soils. cos lettuce. Romaine Lettuce Nutrition, Benefits and Recipes - Dr. Axe. Romaine lettuce (Lactuca sativa L.), which is often called "cos lettuce" in some parts of the world, is a variety of lettuce from the Longifolia/Asteraceae plant family. This type of lettuce grows in a tall head of sturdy leaves and has signature firm ribs down the center.. Types of lettuce A guide to choosing the perfect leaf. A head of romaine lettuce 3. Romaine lettuce (Cos) Romaine lettuce, more commonly called Cos lettuce outside of North America, is another specialty culinary lettuce category. Romaine lettuce can be found in most grocery stores year-round cos lettuce. Cos lettuce heads usually have upright leaves that create a moderately dense and tall oval shape.. What Is the Healthiest Lettuce to Eat? - MedicineNet. There are five different categories of lettuce: loose-leaf, cos/romaine, butterhead, crisphead, and asparagus-stem lettuce. Loose-leaf lettuce is large, curly, and sometimes centered around a central stalk. Romaine has crisp long leaves and is popular for Caesar salads. A butterhead is a head of lettuce that is loosely packed and resembles a .. How to Plant, Grow, and Harvest Lettuce - Harvest to Table cos lettuce. It is sometimes called Cos lettuce—named for the Greek island of Kos (Cos) off the coast of Turkey where it is believed to have originated. Romaine varieties are very popular in the United States, southern Europe, and Mediterranean countries. Romaine lettuce was given its name by the ancient Romans and is the chief ingredient of Caesar salad.. How To Store Lettuce to Keep It Fresh and Crisp - The Spruce Eats cos lettuce. How to Keep Your Lettuce Crisp, Step By Step cos lettuce. Trim off the end of the stem and separate the leaves. Fill up the sink (or a very large bowl) with cold water and submerge the leaves. Gently swish them around in the water cos lettuce. Any grit will sink to the bottom. Remove the clean lettuce, or empty the bowl and repeat this step for especially dirty .. Parris Island Cos Romaine Lettuce | Overview and Growing Guide. Parris Island lettuce is a Romaine/Cos type of lettuce which produces large, upright, lobe-shaped, verdent green leaves with a crispy central rib. The leaves are flavorful and not bitter; in fact, even when starting to bolt (produce a flower stalk), its leaves turn bitter more slowly compared to other varieties.. 18 Scientifically Proven Health Benefits Of Lettuce - Stylecraze cos lettuce. Romaine lettuce, which has a long head of sturdy leaves. This is the most nutritious and the most popular type of lettuce used in the USA. Romaine lettuce is also called cos. Summer crisp, which forms moderately dense heads that have a crunchy texture. This is an intermediate between the crisphead and looseleaf type.. Lettuce - New World Encyclopedia. Romaine, also called Cos, is a head-forming type with elongated leaves. Chinese lettuce types generally have long, sword-shaped, non-head-forming leaves, with a bitter and robust flavor unlike Western types, appropriate for use in stir-fried dishes and stews. Chinese lettuce cultivars are divided into "stem-use" types (called celtuce in English), and "leaf-use" types such as youmaicai (Chinese .. How to Harvest and Serve Yummy Lettuce -- Harvest to Table. Harvest Romaine lettuce, also called Cos lettuce, when the leaves have elongated, formed midribs, and overlapped to form a fairly tight head-about 6 to 8 inches tall. Harvest Crisphead lettuce —such as Iceberg with a solid, tight, spherical head-when heads are medium-sized (6 to 8 inches/15-20 cm), round, and firm. cos lettuce. Lettuce, raw, cos or romaine nutrition facts and analysis.. Lettuce, raw, cos or romaine contains 0 g of saturated fat and 0 mg of cholesterol per serving cos lettuce. 47 g of Lettuce, raw, cos or romaine contains 204.92 mcg vitamin A, 1.9 mg vitamin C, 0.00 mcg vitamin D as well as 0.46 mg of iron, 15.51 mg of calcium, 116 mg of potassium. Lettuce, raw, cos or romaine belong to Vegetables and Vegetable Products .. 29 of the Best Lettuce Varieties For Your Garden. Described in the UK as a "semi-cos," this variety resembles a small butterhead lettuce, but there is some disagreement among gardeners about how to classify it. However it is officially classified, it is like a cross between a butterhead lettuce and a romaine. Little Gem has soft outer leaves and a tight, dense heart.. Greek Lettuce Salad - Maroulosalata - Souvlaki For The Soul cos lettuce. Step 1: Wash and dry the lettuce leaves. Use a salad spinner for the best results cos lettuce. Step 2: Shred the lettuce finely using a sharp knife. Step 3: Finely slice the spring onions, dice the cucumbers and finely chop the dill. Step 4: Add all the ingredients to a large bowl.. Grilled Romaine Lettuce Recipe - Simply Recipes. Grilled Romaine Lettuce cos lettuce. Prep Time 10 mins cos lettuce. Cook Time 10 mins. Total Time 20 mins. Servings 3 to 4 servings. You can buy either packaged hearts or whole heads of romaine. If you buy whole heads, remove the outer layer of leaves and youll easily find the heart, which is a little lighter in color with leaves somewhat tightly packed together.. PDF Scientific Classification and Etymology - Hamilton College. As a polymorphic plant lettuce can take on a wide variety of appearances in its final stage of growth.7 Within Lactuca sativa there are four groups of popular types of lettuce most commonly referred to as garden lettuce, romaine or cos lettuce, butterhead lettuces, and iceberg lettuce.8 Although all types can be found in a typical salad today,. Lactuca sativa (Butterhead, Butterheads, Cos, Head Lettuce, Lactuca .. The general categories of lettuce types include head lettuce, romaine, leaf lettuce and butterhead (loose head). Lettuce grows best in full sun to partial shade and organically rich, moist, well-drained soils. Optimal pH ranges from 6 to 6.7. Lettuce enjoys the cool weather of spring and fall.. What is romaine lettuce, cos lettuce? - Tarla Dalal. Health benefits of romaine lettuce, cos lettuce · Like all lettuces romaine has a vary high water content and very few calories (about 10 calories per cup). · Generally, the darker the green, the more vitamins and minerals (beta-carotene, calcium and iron, etc.) So it should be no surprise that romaine is the most nutritious of all lettuces.. Heres Whats Wrong With Cos Lettuce - Lifehacker Australia. Cos lettuce (also known as romaine lettuce in the US) is a bit of worry. There have been a spate of health scares relating to E. coli connected to the leafy salad green - both in Australia and .. How to Grow Parris Island Cos Romaine Lettuce From Seed cos lettuce. Loosen the soil to a depth of 12 inches and remove any weeds or debris cos lettuce. Mix in compost or aged manure to improve soil quality. Make shallow rows about 1/4 inch deep, spaced about 18 inches apart. Sprinkle the Parris Island Cos Romaine seeds evenly along the rows. Cover the seeds with a light layer of soil.. Lettuce | BBC Good Food cos lettuce
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. Lettuce is commonly used as a salad leaf, prized for its delicate flavour. Learn about the different varieties of lettuce, plus how to prepare and serve it. Butterhead, Lollo Rosso, Escarole, Oak Leaf and Little Gem. Crisp include Iceberg, Cos, Curly Endive (also known as Frisée), Webs Wonder and Romaine. Availability
. All year round . cos lettuce. Growing Romaine Lettuce, Step-by-Step - Growfully cos lettuce. Harvest romaine lettuce in the evening or early morning to keep the leaves crisp and unwilted cos lettuce. Using a sharp knife or scissors, cut off individual leaves or the entire head of lettuce at the base. If you choose to harvest the entire head, leave about an inch of the plant in the ground so that the lettuce can regrow.. Lettuce, Parris Island Cos - Burpee. Parris Island Cos romaine lettuce seeds can be planted close together for a long harvest of baby leaves for gourmet salads. Given space and time to grow, Parris Island will form huge crazy size heads up to 12" tall. Even at this size, the leaves are tender and succulent, with mild flavor. PLEASE SELECT cos lettuce. 1000 Seeds.. 15 Incredible Benefits of Romaine Lettuce | Organic Facts. Romaine Lettuce Nutrition cos lettuce. Romaine lettuce is a rich source of fiber and has very few calories, only 8 in a one-cup serving. In terms of vitamins, a cup of Romaine lettuce delivers more than 50% of your daily requirement for vitamin A, as well as significant levels of vitamin K and vitamin C.The moderate amounts of omega-3 fatty acids, molybdenum, copper, potassium, folate, phosphorus, iron .. 5-Minute Lemon Parmesan Lettuce Salad | The Mediterranean Dish cos lettuce. Make the lettuce salad. Grab a large salad bowl and add the lettuce, 2 thinly sliced shallots, and the zest of 2 lemons. Keep the lemons! You need them for the next step. Add the salad dressing. Season the salad with kosher salt, black pepper, the juice of 2 lemons, and ¼ cup extra virgin olive oil. Toss to combine. cos lettuce. 18 Types Of Lettuce And What You Can Do With Them. For example, you can fill the leaves with tomatoes, mozzarella cheese, and cooked pepperoni or sausage for a low-carb Italian sandwich. You can even scoop egg salad or chili onto the leaves for .. When Lettuce Was a Sacred Sex Symbol - Smithsonian Magazine. The earliest version of the greens resembled two modern lettuces: romaine, from the French word " romaine" (from Rome), and cos lettuce, believed to have been found on the island of Kos .. 9 Health and Nutrition Benefits of Red Leaf Lettuce. Summary Red leaf lettuce is high. in vitamin A, a nutrient thats essential for maintaining vision and immunity cos lettuce. 6 cos lettuce. Packed with vitamin K. Red leaf lettuce is an excellent source of vitamin K .. Lettuce Facts. Lettuce Varieties Galore. Lettuce comes in a variety of types, each with its own unique characteristics. From the delicate and mild-flavored Butterhead lettuce to the crisp and crunchy Romaine lettuce, theres a lettuce variety to suit every palate. Other popular varieties include Iceberg, Leaf, and Cos lettuce, each offering its own texture and taste.. How to Harvest Romaine Lettuce [and Keep It Growing!]. Cos, butterhead, and leaf lettuce are most common. No matter the name, this tasty lettuce produces tight heads of long, crisp leaves, with a thick center stem on each leaf. The outer leaves can be slightly bitter, while the inner leaves are sweeter and more tender. cos lettuce. Growing Romaine Lettuce: A Guide From Seed to Harvest - Savvy Gardening. Thankfully, growing romaine lettuce is easy, and I recommend every gardener grow a few heads each season. Romain lettuce is distinguished from other types by its upright growth, thick stems, and tight heads. What is romaine lettuce? Also known as cos lettuce, botanically speaking, romaine is Lactuca sativa var. longifolia cos lettuceInstead of growing a .. Lettuce 101: The Best Types of Lettuce for Salads (and Beyond!) cos lettuce. There are four main types of lettuce: crisphead (commonly known as iceberg), romaine, loose-leaf and butterhead. Although crisphead is the least nutritious, all lettuces provide dietary fiber and vitamins A, C and K. The average lettuce has less than 10 calories per shredded cup!.