Step 1
Heirloom varieties are romaine lettuce types that have been develop or developed in various parts of the reality with the seed carry through and passed on from genesis to coevals . Parris Island Cos is named after the island of the same name and is one of the most common green variety show . trivial Gem is very little and heat tolerant . Barcarole , Jericho , Verte Mar , Claremont , Little Caesar , Cosmo - Savoy Leaf and freckle are other green romaine varieties that develop by seeded player companies .
Red Heirloom Varieties
Red romaines are mainly red , green with speck of loss or stipple . Forellenschluss is an Austrian variety , whose name is German for speckled like a trout . De Morges Braun is from Switzerland with leaves that are apple green in the center and bronze to pink on the outside . Red Romaine and Cimmaron have primarily red leave-taking , especially when grow in cool weather condition . Cimarron has been crop since the eighteenth century . Rouge d’Hiver has dark - red leaves and was cultivated in France at least since 1885 . Petite Rouge is a babe red romaine gelt with red - tinged green leaves .
Step 2
Growing Romaine Lettuce
Sow romaine lettuce seeds straight or start seeds in pots and transpose the seedlings to your garden . Lettuce prefers cool weather and withstands temperature down to freezing . Lettuce does best when high do not reach more than 60 degree . engraft the seeds ½ column inch recondite and 1 inch apart . Thin them as the boodle grows . Eat the plant you pull as baby dinero . Lettuce varieties grow well together and have like watering and nutrient requirements . found several varieties in one quarrel for assorted salad ingredients .
Commercially Grown Varieties
More than 95 percent of romaine lettuce commercially grown in the U.S. grows in Arizona and California . The U.S. Department of Agriculture ’s Agricultural Research Service in Salinas , California , released two romaine varieties — SM09A and SM09B — in February 2011 that are repellent to dieback disease and have a full shelf liveliness . A 2000 to 2001 report by the University of Arizona Extension Program tested 10 romaine assortment for desirable characteristic . The subject field showed no substantial difference in capitulum size of it or weight among HMMX 7555 ( Harris Moran ) , Conquistador , PAG 302 , PIC MI , Big Heart , PIC 454 , PSR 0566 , Green Tower , Heritage and Grand Prize . food market stores sell all varieties as just romaine lettuce .
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