An all-season medium to large red leaf that performs well through the summer. New Red Fire produces uniform, heavy heads of ruffled, dark pink leaves with just a peak of green at the base. Slow, steady growth in the heat without bolting. A great organic option if you’d like a classic, red leaf lettuce.
How To Grow, Timing: Lettuce grows best in cool weather in the spring and fall, but it can be grown in the summer, and all winter long in milder regions. Sow short rows every 2-3 weeks following the last average frost date for a continual harvest. Using a cloche, cold frame, or greenhouse over mid-late summer plantings can extend the harvest period right into winter. Optimal soil temperature for germination: 10-22°C. Seeds should sprout in 7-15 days, depending on conditions. Lettuce seeds don’t sprout easily when the soil temperature is over 22°C (72°F) in summer. Get around this by sprouting them indoors in a cool area, or pre-sprout by sprinkling seeds on a damp paper towel and placing it in a plastic bag in the fridge for a few days. In hot weather most lettuce goes to seed rapidly, so have new plantings ready to go, and watch for “good resistance to bolting” in the product description.
How To Grow, Starting: Direct sow or start indoors and transplant. Sow seeds 5mm deep, or on the surface of the soil where the soil can be kept evenly moist. Space or thin heading lettuce to 30cm apart. Space or thin looseleaf varieties to 20-25cm apart. Space rows for all types 45-90cm apart. Babyleaf lettuce can be planted quite densely, as it is harvested at an immature size. Sowing babyleaf lettuce seeds closely together in narrow rows makes harvesting simpler.
Note on Pelleted Seeds: A number of our lettuce seeds are pelleted for machine planting. The white clay ball that covers each seed makes them easier to handle and easier to see when planted. While most lettuce seeds need to be barely covered (or sown on the surface of the soil), pelleted seeds need to be buried by about 1cm. Please keep your newly sown pelleted seeds evenly moist – use more water than with conventional seeds. If the soil is allowed to dry out, the clay pelleting material can wick water away from the seed, causing uneven or lower germination.
How To Grow, Growing: Ideal pH: 6.0-6.5. Aim for a soil with ample drainage and lots of organic matter. Add compost and lime at least 3 weeks prior to planting. One cup of balanced organic fertilizer per 3m of row will give adequate nutrition. Seedlings should be hardened off by reducing water and putting the plants outdoors 2 or 3 days before transplanting. This will help to prevent transplant shock and premature bolting. Regular watering is essential to prevent leaves from developing a bitter taste.
How To Grow, Harvest: Pick individual leaves or wait and harvest full heads. Mature summer lettuce stays in prime eating condition only a short time, so harvest promptly and keep planting. In fall and winter the plants stay in good harvest condition longer.
55 Days.
Approx: 250 Seeds.
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