40-60 days to maturity. Diplotaxis tenuifolia. Red Streaked Arugula Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. This strain has oak-leaf shaped, green leaves with a deep red main vein, with many of the secondary veins showing color as well. Flavor intensifies in warm weather. Good for microgreens and baby leaf production. Prefers cool temperatures. ~100,000 seeds/oz.