1000 Red Russian Kale Seeds – Tender, Mild-Flavored Kale Red Russian Kale, a specific variety of Brassica oleracea var. viridis, is also known by several other names including ragged jack and sweet red. This variety is distinguished by its flatter leaves compared to other kale types and its jagged edges. It is particularly notable for its tenderness and mild flavor, which make it unique among kale varieties. Scientific Classification: Latin Name: Brassica napus var. pabularia Growth Characteristics: Hardiness Zone: Suitable for annual cultivation in zones 2-10 and biennial growth in zones 7-10. Days to Maturity: Approximately 55-70 days. Days to Germination: 3-10 days. Seeding Depth: Plant seeds at a depth of 1/2 inch. Plant Spacing: Space plants 12-18 inches apart. Row Spacing: Maintain 24 inches between rows. Plant Height: The plants grow to a height of 12-18 inches. Growth Habit: Red Russian Kale grows in a leafy, upright fashion. Soil and Environmental Preferences: Soil Preference: Thrives in nitrogen-rich, loamy, and well-drained soil. Temperature Preference: Optimal growth occurs in temperatures ranging from 45-70F. Light Preference: Prefers full sun to partial shade. Pests and Diseases: Generally resistant to serious diseases. However, regular monitoring for common pests such as aphids, cabbage worms, flea beetles, and thrips is advisable. Appearance and Flavor: Color: The leaves are dark green with striking purple and red highlights. Flavor: The flavor is mildly sweet, with a taste profile similar to broccoli stems. Red Russian Kale is valued for its unique color, tender texture, and pleasant flavor, making it a versatile addition to a variety of culinary dishes.