Microgreens Seeds- Black Kale Included in this selection of heirloom microgreens seeds is 5,000 Black Kale Seeds. This is a non-gmo, heirloom variety. 95% Germination. These greens should be harvested when the plants are 7 to 14 days old. They can be grown in moist paper towels (bleach-free) or in a soil mix. Fully-grown plants have dark green/black, savoyed leaves that have an amazing taste. It traditionally is used to add rustic flavor to soups, stews, but also blends wonderfully in grain dishes. Try sautéed in olive oil with garlic and tossed with pasta. Plants may over-winter in mild climates and does well in containers in the northern regions. Rich in vitamins A, C, K, calcium, folic acid, and anti-oxidants. Plant in late summer for early-winter harvest, or early spring for summer harvest. You can also start it indoors 4 to 6 weeks before planting outside. Open-Pollinated 60 days.