70 to 90 Days to maturity. Daucus carota. Kyoto Red - Carrot Seeds. Cool Season Annual, Heirloom. Kyoto Red carrot is a Japanese traditional heirloom vegetable, dento yasai, grown in the Kyoto area. This is a Japanese kintoki-type (sweet red) carrot. Deep red color develops when about 3” long. Its glossy, deep scarlet roots grow beautifully tapered carrots 10-12” long that are notably tender and sweet. Delicious to use as carrot juice. ~ 25,000 seeds per oz.