LettuceandFrostProtection.To protectlettuce in frost-prone areas, plant romaine or butterhead lettuce, which are the most cold-tolerant. When frost is predicted, cover the garden with sheets or towels to provide some protection. Lettuce is a cool-season crop, but it may need frostprotection in the garden. Learn how to care for lettuce in freezing temperatures on Gardener’s Path.How Cold Affects Lettuce Plants. Frost and Freeze Precautions. Protective Measures. Lettuce is a cool-season crop growing well in most regions in the spring and fall. This crop is perfect for beginners; it’s easily sown by seed directly in the soil as soon as the ground can be worked. Quick garden frostprotection. First asparagus It was hard to believe in Monday night's frost warning as Mark and I worked outside in t-shirts on a sunny, 60 degree afternoon. But we live down in a valley, so when the weather forecast predicts a low of 35, I figure it will probably freeze. Lettuce varieties such as romaine and leaf lettuce are even more tolerant of frost, but still require some protection.When Should You ProtectLettuce from Frost? Start protecting your lettuce from frost whenever temperatures are expected to drop to 32℉ (0℃) or lower. LettuceandFrostProtectionLettuce is tolerant of cold temperatures for short periods of time, although growth will slow down. To protectlettuce in frost prone areas, plant romaine or butterhead lettuce, which are the most cold-tolerant. ... Pruning can push soft new growth which could get frosted and lead to diseases such as die-back. Likewise for hydrangeas, in frost prone regions leave the spent/dead heads on the plant as that gives the new growth below some protection. Frost hardy plants. Knowing your USDA hardiness zone or local frost dates is the first step to planning. When people ask about “snow lettuce,” they’re usually thinking of winter-sown greens or hardy varieties like Arctic King. These do better in cold weather but still appreciate protection when frost is severe. ProtectingLettuce Seedlings From Frost. Lettuce seedlings are less tolerant of cold than mature plants. Follow these tips to protect tender lettuce from early spring and late fall frosts: Cover with cloches – Use individual plastic domes, tunnels, or milk jugs to trap heat around plants. Sanguine Ameliore Strawberry Cabbage Lettucefrost tolerant. Red Loose Leaf lettuce is frost tolerant. Carrot greens are Frost tolerant. Provides frostprotection down to 20°F. Trap heat near your plants. Increases humidity.This is especially useful for areas where winter temperature fluctuations can go from frosty nights to warm, sunny days. Trick for Unexpected or Late Frosts. While lettuce can handle a light frost, if a nighttime frost is in the forecast you may still want to temporarily cover your lettuce with row cover, plastic, bedsheets, or towels, as a preventative measure. While vegetables like chard, baby beets or newly sown carrots can be susceptible to a strong frost; lettuceand sweet peas can wilt or bolt with too much heat.But what do you do when we have a colder winter, or you have larger or more tender plants, that just need more protection. Florida’s mild winters rarely damage either plant, allowing both to produce abundantly without the frostprotection required in colder climates.Lettuce appreciates the pest protection garlic provides without any competition for nutrients, sunlight, or moisture in well-prepared beds.
