25-30 Days. How do you make a nutitional powerhouse even more nutritious? Grow it as a baby green! Kale baby greens can be grown indoors at any time of year and are a nutrient-packed way to get your “green fix” in winter. Loaded with vitamins A and C with big boosts of calcium, protein, iron, and fiber, you'll be callling it Red Winner Kale! Move containers as needed for best light exposure and temperature. Harvest when 2‒4 tall and enjoy! Detailed sowing instructions and recipe inside packet. This packet sows up to three 10 x 20 flats