How long does a carrot grow? In places with milder winters, carrots will re- grow in the spring, moving onto the final stage of growth: · carrots are a cool-season crop usually grown in the spring; Learn timelines by variety, growth stages, and factors that speed up or slow down your carrot crop. It contains phosphorus, which benefits root crops. Baby carrots can be harvested earlier, around 50-60 days, while larger varieties might need up to 90 days to reach full size. · learn how carrots grow from seed to harvest in 2 to 4 months, depending on the variety. Carrots are typically ready to harvest when theyre about 1 inch thick. Seeds can be sown 2 to 3 weeks before the last spring frost. Weather conditions play a huge role in how quickly your carrots grow. Add a handful of bonemeal; Find out the best time, soil, and temperature for planting, thinning, and watering carrots. Prepare a loose, well-draining potting mix with a portion of compost or organic matter. · carrots mature in 55 to 80 days , depending on the variety and other growth factors. How long does it take for carrot seeds to grow? Inconsistent or inadequate watering, overcrowding, and overfertilizing can prevent carrots from reaching mature size at the proper time. · your carrots can be harvested in the early winter, and they may actually be sweeter after experiencing some frost! · discover exactly how long carrots take to grow from seed to harvest. · carrots typically take 70-80 days to mature, depending on the variety you choose.