DANVERS CARROTS are crisp, rich orange roots grow to 1.5 inches in diameter at the top, tapering 6-7 inches to a pointed end. These heirloom carrots that have a higher fiber content than Nantes types. They grow and keep well in heavier soils, and are great for canning and freezing. Make sure to plant a row of Danvers carrot seeds in your organic vegetable garden this season. 400+ seeds per order. Daucus carota. Full sun. Early spring, soil Temp 50+F. SOW 1/4" deep, 1/2" apart. Keep moist. Germination 10 to 20 days. Thin to 2". Medium water. Height 20". 75 Days to maturity.