Sweet flavor and crunchy, crisp, succulent leaves. Conventional seed with NOP-compliant pelleting.
Double red leaves with a very defined, three-dimensional shape. Sweet, almost romaine-like flavor, with a crisp, almost iceberg-like, texture. Large, heavy heads are slow to bolt. Suitable for mechanical harvesting. High resistance to downy mildew races EU 16–30, 32, 33 and Nasonovia ribisnigri aphid. Utility Patent 5,977,443. Only available pelleted. Avg. 780 seeds/oz. Packet: 25 seeds.
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Many (though not all) of our pelleted lettuce varieties are primed to increase germination uniformity, and to break thermal and/or light dormancy. However, the priming process decreases the storage life of the seed, so pelleted seed must be kept cool and dry prior to planting, and should be used within one year of purchase.
SCIENTIFIC NAME: Lactuca sativa CULTURE: Lettuce is hardy and can be planted as early as the soil can be worked. It is a cool weather crop and grows best at temperatures of 60–65°F (15.5–18.3°C). Careful variety selection is important for hot weather plantings. Sow every 3 weeks for a continuous supply of fresh lettuce. Pelleted seed requires a little extra attention when it comes to watering, as it performs best with consistent, moderate soil moisture throughout the germination period. An initial watering will split or dissolve the pellet, but if the soil is allowed to dry out before the germination period is over, the seed may receive insufficient moisture for optimal germination. THERMAL DORMANCY: Lettuce seed can enter thermal dormancy when exposed to high temperatures. Optimum germination results at soil temperatures of 60–68°F (15.5–20°C). The priming process in pelleted lettuce seeds broadens the temperature range in which the seeds will germinate, overcoming some of their thermal dormancy. TRANSPLANTING: Sow in flats, 1 seed/in., or in ¾" plug trays, barely covering seeds with fine vermiculite, 3–4 weeks before transplanting outdoors. Shade the flats on sunny, warm days if necessary to keep the soil surface cool, below 75°F (24°C), until germination. If sowing into flats, transplant 1–2" apart into flats, pots, or cell-type containers about 2 weeks later. Harden seedlings by reducing water and temperature for 2–3 days before planting outdoors. Properly hardened transplants can survive temperatures as low as 20°F (-6°C). Transplant iceberg and romaine lettuce 10–12" apart, in rows 18" apart. Other types 8–10" apart in rows 12–18" apart for full size heads or 6" apart for mini heads. DIRECT SEEDING: Seeds germinate even at low, 40°F (4°C), soil temperature, but poorly above 75°F (24°C) depending on the variety and seed lot. Sow seeds 2" apart, rows 12–18" apart. Cover seed lightly, about 1/8", and firm soil gently. Thin iceberg and romaine lettuce to one plant every 10–12", other types 8–10" for full size heads or 6" for mini heads. Dry soil must be watered to ensure coolness and moisture, and for uniform germination. MT0 SEEDS: A variety's description followed by MT0-10 indicates that the seed offered for sale has been tested for the presence of Lettuce Mosaic Virus and that no LMV was found in a sample of at least 10,000 seeds. MT0-30 indicates that no LMV was found in a sample of at least 30,000 seeds. NOTE: A disease-free test result does not guarantee a seed lot to be disease-free, only that in the sample tested, the pathogen was not found. DAYS TO MATURITY: For full-size heads in mild temperatures from direct seeding; subtract 10-14 days if transplanting. Note: Maturity can be 3 or more weeks later in cool weather, and up to 1 week earlier in hot weather. TRANSPLANTS: Avg. 20,000 plants/oz. PELLET STORAGE: Pelleting offers many advantages, but the pelleting process also shortens the shelf life of the seed. We recommend using pelleted seed within one year of purchase. If you need to store pelleted seeds until planting, protect them from heat and humidity in a cool, dark, dry place. If you prefer to store your seed in the refrigerator, be sure to place the seed in an air-tight container to protect it from fluctuations in humidity. AVG. DIRECT SEEDING RATE: 130,000 pellets/acre at 6 pellets/foot in rows 24" apart or 6,000 pellets/1,000 foot row. PELLET SIZE: 13.0. SEED SPECS: PELLETS/OZ.: Avg. 1,100. PACKET: Unless otherwise noted in the product description, 250 seeds per packet; sows 41' at 6 pellets/ft.
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Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.
Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).
Disease Resistance Codes
Lettuce Leaf Aphid Nasonovia ribisnigri
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits. Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next.
Variety that can be grown successfully using hydroponic growing methods, such as NFT (Nutrient Film Technique), DWC (Deep Water Culture), or other soilless growing systems.