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Lactuca serriola is the wild progenitor of cultivated lettuce (Lactuca sativa) and can be affected by lettuce downy mildew, one of the most serious diseases of lettuce. [12] L. serriola has shown resistance to the plant pathogen Bremia lactucae , the cause of the disease. [ 12 ]
Your lettuce tastes bitter, bolts and goes to seed in July because it is a cool-season crop that prefers cool weather. ... On average, the first frost in Columbus occurs Oct. 14 in one out of ...
When a freeze warning is issued in the fall, that will usually signify the end of the growing season, as sub-freezing temperatures will usually kill all remaining crops. Farmers and gardeners should take action to protect or harvest their herbaceous plants if a freeze warning is issued.
Lactuca biennis is a North American species of wild lettuce known by the common names tall blue lettuce and blue wood lettuce. It is widespread across much of the United States and Canada from Alaska and Yukon south as far as California , New Mexico , and Georgia .
Lactuca floridana, commonly known as woodland lettuce, [3] Florida lettuce, [4] or false lettuce [5] is a North American species of wild lettuce. It is native across much of central Canada and the eastern and central United States. Lactuca floridana is an annual or biennial plant in the Cichorieae (dandelion) tribe within the Asteraceae (daisy ...
Additionally, just because food is canned or jarred does not mean it is safe to eat, she said. "Cans that are bloated or dented looking are showing signs of being off," she said, and should not be ...
Use a frost blanket: Cover plants, trees, and shrubs with frost blanket when temperatures drop. These blankets, available in materials like UV-resistant polypropylene fabric and natural burlap ...
Romaine or cos lettuce (Lactuca sativa L. var. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat.