Daucus carota A kaleidoscope of color for your table! This fun mix of Atomic Red, Cosmic Purple, Lunar White, and Solar Yellow is sure to be noticed, especially by kids. Plus, the range of colors gives a punch of vitamins from across the spectrum. What a fun and easy way to encourage your family to eat more healthy vegetables! These varieties can be harvested as baby roots in 50 to 60 days, or grown to their full 8- to 10-inch length in about 75 days. Rainbow Blend carrots can be direct sown in the garden as soon as the soil is workable in spring, and in successions throughout the cool months. They prefer full sun and loose, well-draining soil. 1 gram packet contains approximately 995 seeds.