![]() ![]() How Can I Protect Carrot Seedlings from Frost? However, if the soil gets very cold and waterlogged during that time, there is a risk the seeds will rot before they can germinate. They will stay dormant until the conditions for germination are consistently warm enough (above 40☏ for 10 days or so). Ungerminated seeds in the ground can survive a bit of frost, so you can sow carrot seeds in the very early spring. Prolonged periods of cold weather can cause the roots to become elongated and pale. ![]() The more established they are, the more cold hardy they get, but even mature carrots should be harvested before the ground freezes for winter. Can Carrots Survive a Hard Frost?Ĭarrot seedlings don’t mind light frost, but they can be damaged by hard frosts which freeze the ground for several days or more. If the temperature goes above about 80☏ (26☌), they stop developing big roots and start making lots of foliage and flower heads instead. Once up and growing, these fickle veg don’t grow well if the temperature is too warm either. Which is why it may take seedlings longer to sprout if you sow them very early. ![]() But most varieties need minimum soil temperatures of 40☏ (4☌) to germinate in the first place. Germinated carrot seedlings don’t mind the cold, and carrots will grow in the winter in some regions. What Temperature Can Carrot Seedlings Tolerate? They should survive any subsequent light frosts, and will continue to grow between freezes. When it comes towinter planting, they are hardy to temperatures as low as 20☏ (-6☌), which means they can be planted after the last hard frost. Starting carrots is best done in cool conditions, which makes them a great crop for early spring, and fall. ![]()
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