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65-70 days. Dark Green COS Romaine Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. Its dark green leaves are long, narrow, and very crisp. The leaves are dark green in color and are popularly used in Caesar salads for their sweet and mild flavor. Like most lettuce varieties, Dark Green Cos grows well in containers. Maintain a regular watering schedule. As a cool-season plant, lettuce is best sown in the spring and fall months. ~25,000 seeds per oz.
Pests and Diseases: Susceptible to mildew, rot, and leaf spotting from soils if not properly drained and ventilated. Watch for aphids, whiteflies, and leafminers.
Buttercrunch Lettuce Color: Dark Green
Buttercrunch Lettuce Flavor: Sweet and Mild
How to Grow Dark Green Cos Romaine Lettuce from Seed
Like most lettuce varieties, Dark Green Cos grows well in containers, raised beds, garden plots, or hydroponically. Sow seeds on the soil surface, as light is needed for the best germination results. The seeds may be dusted with soil to maintain good contact with the soil. Space seeds 2 inches apart and thin to 10-12 inches after seedlings have sprouted. Space rows 18 inches apart. Maintain a regular watering schedule. If planting in the summer months, cover with some light shade to prevent early bolting. As a cool-season plant, lettuce is best sown in the spring and fall months. The optimum growing temperature is 60-68F, with germination occurring below 70F.
Dark Green Cos Romaine Lettuce Seeds Per Package:
2.5 g - Packet - Approx 2,000 Seeds
1 oz- Wholesale - Approx 25,000 Seeds
4 oz - Wholesale - Approx 100,000 Seeds
1 lb - Wholesale - Approx 400,000 Seeds
5 lb - Bulk - Approx 2,000,000 Seeds
25 lb - Bulk - Approx 10,000,000 Seeds
Non-GMO Dark Green Cos Romaine lettuce seeds are available for Fast Free Shipping on orders over $75.
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