With its red undertones, which develop best in cooler weather, this variety makes a colorful and tasty addition to salads. The main ingredient in caesar salads, romaine has a crisp texture and a strong, but not bitter, taste. Leaf and bibb lettuces do well in hotbeds or greenhouses during the winter and in coldframes in spring and late fall. From green to bronze red to dark red, this combination is pleasing to the eye, and the taste buds, and its also 100% organic. Grow heirloom lettuce plant red romaine lettuce seeds. Plant seed 14 to 12 inch deep 10 seeds per foot in single, double or.
Jerico, valmaine, and paris island, commercial standard varieties, were chosen as industry controls. Lettuce varieties learn about the different types of lettuce. Leaf shape ranges from smooth edged to toothed, curled, or lobed. Little gem is the one to grow for hearts of romaine. Tyee spinach, flamingo spinach, outredgeous red romaine lettuce, waldmanns dark green leaf lettuce, bulls blood beet, rhubarb swiss chard, tokyo bekana chinese cabbage, and mizuna. This red romaine heirloom variety has been an american favorite since the 1700s. They make excellent salads and work with a wide range of dressings. Uhctahr romaine ettuce arieties for commercial production in h 2011 2014 vc3 july 2014 4 twentynine varieties of romaine lettuce were selected for field evaluation in november 20 fig.
A very versatile lettuce that can be grown throughout the growing season. Best of all, our lettuce seed packets contain no gmos and theyre all at a price you can afford. Current facts baby red romaine lettuce, botanically classified as lactuca sativa, is a small, looseleaf, younger version of the popular mature lettuce belonging to the asteraceae family. Evaluation of romaine lettuce varieties for commercial. Red romaine lettuce is a beautiful and tasty heirloom romaine that has been grown in the united states since the nations founding. Assuming its not one of the varieties that is naturally red because of the pigment anthocyanins like red leaf lettuce, youre probably referring to one of two conditions. A red romaine with terrific flavorand an american favorite since the 1700s. Some types and varieties of lettuce withstand heat better than others. In yuma county, romaine lettuce is grown for romaine hearts. Researchers identify romaine lettuces that last longer. I like to plant a new crop of romaine lettuce every few weeks so theres always some ready to harvest. Romaine has crisp, sturdy leaves that are used in caesar salads.
Common lettuce favorites include romaine, butterhead and colorful leaf lettuce mixes. How to grow red leaf lettuce guide to growing red leaf lettuce. Romaine lettuce contain elongated, thick leaves which are crisp and savory, and hold these qualities well after harvest. Some types and varieties of lettuce withstand heat better. Lettuce production guidelines for hawaii introduction. Jan 30, 2019 red leaf has a burgundy tint and mild flavor, similar to that of green leaf, while oak leaf is spicier and nuttier. Nutritional content of cos, butterhead, cutting green and red, crisphead and stalk lettuce types based on. Most lettuce varieties are eaten fresh and are commonly served as the base of green salads. Another name for romaine, cos, shows another part of its history on the greek island of kos. Do not store lettuce next to bananas, apples, pears or tomatoes. An overview of lettuce production systems and cultivars. Like all lettuces, romaine is extremely low in calories and high in water content about 95 grams in 1 cup. Varieties of heattolerant lettuce home guides sf gate.
Green heirloom varieties heirloom varieties are romaine lettuce types that have been grown or developed in various parts of the world with the seed saved and passed on from generation to generation. Theyre best cut as individual leaves and are great for salads and making wilted lettuce. Leaf lettuce can tolerate heat better than headtype lettuce, extending the growing season. This is the second most commonly grown hydroponic lettuce type behind the butterhead. Lettuce comes in a great variety of textures, colors, and hardiness. Head weight and yield of several romaine and leafy lettuce varieties grown at the uh. Romaine lettuce had a higher lactucin content red romaine. Summer is a difficult time for lettuce connoisseurs. Little gem is one of the best tasting and most troublefree lettuces you can grow. Harvest about half of the topsetting onions for green onions before the plants get too big. Leaves are smooth or frilly in colors ranging from light to dark green and red to brown. A fast growing variety that maintains a narrow leaf. Jose agriculturist ii bpinational crop research and. Fedcos summer lettuce mix is a great combination of heat tolerant lettuce.
We had success with jericho, red cross, nevada, paradai, merlot, and year round bronze oak leaf. Lettuce, no matter the variety, is considered a coolweather crop. Romaine varieties of lettuce can be kept in a refrigerator for up to a week after purchase. Lalique rz is the first crystal lettuce variety of rijk zwaan. Top with a bit of honey mustard vinaigrette or a simple balsamic dressing. Romaine lettuce is essential for the classic caesar salad. There are five distinct types of lettuce leaf also known as looseleaf, cos or romaine, crisphead. Red romaine has a deliciously crunchy texture, and is perfect for use in caesar salads.
The darker leaf lettuces and romaine pack a heavier load of nutrients than the lighter colored head lettuces, but iceberg can still claim to have a fair amount of folate a b vitamin that helps fight heart diseases and strokes and vitamin k, important not just in blood coagulation but in bone health, especially helpful in lowering the. This is russet browning and results from storage at a temperature higher. The small, robust green heads are perfect for individual salads, and its firm upright habit makes it great for sandwiches as well. Recommended varieties of cos lettuce include cimarron red, cuore. This trio of compact romaine costype lettuce varieties make a tempting presentation when marketed together as a 3pack. Lettuce vegetable seeds shop baker creek heirloom seeds. Grow heirloom lettuce plant red romaine lettuce seedsred romaine lettuce is a beautiful and tasty heirloom romaine that has been grown in the united states since the nations founding. Iceberg crisphead varieties take longer and should be harvested as soon as a head develops but before outer leaves turn brown.
Find a large selection of lettuce seed types including green leaf lettuce seeds, head lettuce, red leaf lettuce, romaine lettuce, and baby lettuce mixes growing tips lettuce can be grown in any sunny location, and in just about any type of situation. Mini romaine trio lettuce varieties johnnys selected seeds. To avoid instant wilting, postpone dressing leaf lettuce until just before. Its leaves are bright to dark green, with red tinges in the red romaine varieties.
Lettuce varieties, types of lettuce, varieties of lettuce. In true romaine fashion, these minis are crisp and juicy, with a sweetness unmatched by other. High resistance to downy mildew races eu 16, 19, 21, 23. Leaf lettuce pdf uc davis western institute for food. Selection of leafy green vegetable varieties for a pick.
Later, syrian gardeners began selectively breeding this type of lettuce to have a thick rib and spoonlike shape. Romaine lettuces 1paris island cos 2romo 3red eye cos 4gx800 5corazon 6red hot cos 7nero development of russet spot disorder on iceberg and romaine lettuces. Lettuce is generally a rich source of vitamins k and a, though the nutritional quality varies, depending on the variety. Romaine and butterhead lettuce can be harvested in about 60 to 70 days from planting. Description of morphological characters of lettuce lactuca sativa l. Leaf lettuce has the greatest number of varieties available and is the most popular type for home gardens. Mixed lettuce production includes green leaf, red leaf, butter, and romaine types. Check out this video to find varieties of lettuce and salad greens that you can grow in containers for an urban. Baby red romaine lettuce is available yearround, with peak seasons in the spring and fall. It grows in cool weather, but some varieties are heat tolerant. Romaine lettuce, though named for its presence in the papal gardens, dates back to the third millennium bc, where ancient egyptians depicted this type of lettuce in their basreliefs. Loose leaf lettuces are particularly easy and quick to grow. The loose leaves grow from a single stalk rather than in a compact head like other types.
Romaine lettuce varieties are green, red or speckled. Red leaf lettuce is a member of the asteraceae daisy. Russet spotting was evaluated on a scale of 1 to 9, where 1none, 3slight, 5moderate. Red romaine lettuce romaine lettuce had its start as a mediterranean weed. Selection of leafy green vegetable varieties for a pickandeat diet supplement on iss. Grow loose leaf varieties that are heatresistant or slowbolting, rather than varieties that form heads. Some varieties develop a closed head, others are more open.
May 03, 2019 common romaine lettuce varieties are paris island romaine, freckles romaine which is green with red freckles, red romaine, and cimmaron. Cos lettuce, also known as romaine lettuce, has long narrow foliage with an upright growth habit and loose elongated heads. There are hundreds of lettuce varieties grown throughout the world and, because they peak at different. If you struggle to grow crops, you should get along well with growing lettuce. In our study nutritional composition was evaluated in the two most popular lettuce types in western diets, romaine and crisphead iceberg, with red or green. Green towers, valley heart and red eyes cos are all interesting romaine cultivars. Leaf lettuce is grown in the coastal areas of salinas. Apr 16, 2020 lettuce, annual leaf vegetable of the aster family. Baby red romaine lettuce information, recipes and facts.
Intact heads were stored in 5ppm ethylene at 5c 1f plus 1 week in air. This dark leafy red con tains anthocyanin and xeazanthin, carotenoids that help keep eyes healthy. Lettuce is a coolweather crop, so plant in early spring and early fall. Romaine varieties of lettuce can be kept in a refrigerator for. Lettuce is normally considered a coolweather crop because of its tendency to bolt producing a center stalk containing blooms and seeds and become bitter when the temperature reaches 80 degrees. How to grow red leaf lettuce guide to growing red leaf. Pdf vitamin c content of different types of lettuce varieties. Romaine lettuce variety trials, 2009 fresh heart 4140rz. Few things beat a salad made from a large handful of fresh lettuce lactuca sativa var. Romaine lettuce nutrition, benefits and recipes dr.
An overview of lettuce production systems and cultivars used in hydroponics and protected culture in florida 4 looseleaf, leaf, or cutting. Butter, or butterhead, lettuce form loose heads of melt in your mouth leaves, hence the name butter. An overview of lettuce production systems and cultivars used. This equates to over 12 billion pounds of leaf lettuce each year. As with batavia lettuce, there are several varieties of oak leaf lettucegreen, red, bronzebut they are all looseleaf lettuces, meaning the leaves stay loose and attached only at the base as they grow instead of forming tight, compact heads like iceberg lettuce or cabbage. Red rosie has strong, upright leaves with nice romaine texture and sweetness. There isnt a taste difference between the two, so choose whichever will look best on your table. A profound, beautiful, deep red goingon bronze, the 1012 tall heads, packed with broad, flat leaves, take on. Mixing and matching radicchio, arugula, watercress, leaf lettuce and more varieties of lettuce will only improve the color and texture of your green salads. Pinetree garden seeds is proud to offer lettuce seed packets in many different varieties.
It includes a mix of looseleaf, oakleaf, romaine and lollo in green and red varieties. Lettuce is best planted in succession, or using different varieties that mature at different times. Lettuce hasloose to compact leaves, usually green and red in color but. This dark leafy red contains anthocyanin and xeazanthin, carotenoids that help keep eyes healthy. Use transplants or germinate seeds indoors in containers away from heat. Recommended varieties of cos lettuce include cimarron red, cuore, flashy trout back, green. However, romaine packs a larger amount of vitamins, minerals, fiber, and phytonutrients than other popular types of lettuce. Butterhead lettuces can be planted closer together than other varieties because the. Romaine comes from the word roman while cos is derived from the greek island of kos.
Romaine lettuces are firmer than looseleaf lettuces, with a crispy, yet tender, center rib. Sep 21, 2017 romaine or cos lettuce lactuca sativa forms elongated heads. The name comes from latin words referring to its milky juice found in the ribs of its leaves. Selection of leafy green vegetable varieties for a pickand. Breen 55 days is a red baby romaine that grows 68 high, and is great for salad tables and window boxes. Pdf nutritional value of crisphead iceberg and romaine. Red leaf lettuce varieties have become increasingly popular in packaged salad mixes due to their unique colors and textures and can often command a higher. Iceberg and romaine lettuce are both great choices when it comes to calories both have less than. Red leaf lettuce produces brilliant leaves ranging from deep royal purple to crimson and rust. Nearly all commercially produced leaf lettuce in the. The fiber, vitamin c, and betacarotene content makes romaine an especially good vegetable for heart health. Thirty heads of iceberg lettuce harvested at once can present a major storage problem. Like many varieties of lettuce, batavia comes with all green or redtinted leaves.
Red leaf has a burgundy tint and mild flavor, similar to that of green leaf, while oak leaf is spicier and nuttier. Here are a few steps to help you along in the process. The category of leaf lettuce includes many subcategories, such as oakleaf, lollo, multileaf, summer crisp. Start harvesting a few of the small leaves on your early planted lettuce. Lettuce, annual leaf vegetable of the aster family. Romaine lettuce is crisp and juicy, with a sweetness unmatched by other lettuce types. Vitamin c content of different types of lettuce varieties. Growing red romaine lettuce requires the same garden techniques as growing green varieties. Also called cos, this lettuce has long, deep green leaves that form a loafshaped head. If seed stalks appear, pick the lettuce immediately and store in the refrigerator to prevent bitterness. The antioxidant compounds, polyphenols and vitamin c, have been determined in five varieties of lettuce iceberg, romaine, continental, red oak leaf, lollo rosso and one variety of escarole. Buttercrunch, aquarius, four seasons and yugoslavian red. Stem lettuce is a variety of lettuce whose main part of interest is the plant stem stalk, unlike the other lettuce varieties where the head is the most important section. Nearly all commercially produced leaf lettuce in the united.
Crisphead lettuce, or head for short, is the lettuce we know as iceberg. The leaves are red more than halfway down and then fade to green, creating a unique half and half look. The largest romaine offered by seed savers exchange, this gourmet variety bears plants that are 12 tall and 1012 wide. Popular varieties of red looseleaf lettuce include. Red sails a crumpled and toothed leaf that fades from slight green in the center to a burgandy at the tips. Germination takes place at a minimum of 5 c, has an. Leaf lettuce comes in red, green, and oak varieties. Adult outer leaf and leaf of nonheading types of lettuce. The seed and leaf extracts derived from romaine lettuce induced an increase in the sleep duration at. Lettuce color for commercial cultivars varies from a yellowgreen to dark red and all colors in between. Researchers identify romaine lettuces that last longer 14 may 2020, by kim kaplan ars scientists are looking for ways to make romaine lettuce more resistant to browning and deterioration. As long as they get enough water, romaine lettuces can withstand some summer heat.
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