50-70 days. These non-GMO Lollo Rosso lettuce seeds grow into green leaves with red edges that are ready to harvest in 60 days. The Lollo Rosso thrives in full sun or partial shade, and can be grown in zones 4-9. The leaves of the Lollo Rosso have a mildly sweet flavor. Lollo Rosso is a beautiful green color with dark pink edges. Grown in cooler areas, and slow to bolt, it is perfect for beginners. Makes a beautiful garnish and adds color and texture to salads. - A slow growing compact selection from the original Lollo Rosso with darker red edges that can almost be burgandy. 0.5g packet