White Russian Kale Seeds. 50 Days. Brassica napus. Non-GMO, Open Pollinated. White Veined, cold tolerant, flavorful kale. Great for full grown kale at 50 days, Baby Greens at 20 days, and Microgreen at 8 days. Similar and white variation to the ever-popular Red Russian kale, White Russian grows a lighter, but still jagged, serrated, and tenacious cultivar of garden kale.