Package of Johnny's Selected Seeds
Package of Johnny's Selected Seeds

Ruby Sky

2542

Product ID: 2542

Vegetables > Lettuce


Late season redleaf.

Disease resistance makes this variety particularly well suited to late season production. Dense heads. Ruffled leaves are intense red at the tips and green at the inner base. Uniform growth. Resistant to DM races 1-17, 21, and 23; LMV; and Nasanovia ribisnigri aphid. Also available pelleted. Avg. 400,000 seeds/lb. Packet: 500 seeds.

Plant Cycle:   (A)   Days to Maturity or Bloom:   58

MT0-30  

Learn more in the 'Disease Resistance' tab!

In stock

Product Price Quantity
2542Packet  $3.45 
25425,000 Seeds  $30.75 
254225,000 Seeds  $130.00 
254250,000 Seeds  $240.00 
2542100,000 Seeds  $450.00 
2542500,000 Seeds  $2,100.00 


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Ruby Sky


Ruby Sky




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MT0-30

MT0-30: 30,000 seeds were tested for the presence of lettuce mosaic virus and none was found.

Lettuce



CULTURE: Lettuce is hardy and can be planted as early as the soil can be worked. It is a cool weather crop and makes its best growth at temperatures of 60-65°F (16-18°C). Careful variety selection is important for hot weather crops. Sow every 3 weeks for a continuous supply of fresh lettuce.
THERMAL DORMANCY:
Lettuce can be dormant at high temperatures. For best germination results sow at soil temperatures of 68°F (20°C) or lower. 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, 4 seeds/in., or in 3/4" 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" x 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 1" 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.
SALAD MIX/BABY LEAF:
Sow in a 2-4" wide band, about 60 seeds/ft.
MT0 SEEDS: A variety name 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.
AVG. DIRECT SEEDING RATE:
For full-size heads (precision seeded): 220'/1,000 seeds, 5,300'/oz., 5.5 oz./acre 2.5" apart in rows 18" apart. For baby leaf: 16'/1,000 seeds, 400'/oz., 6,400'/lb. at 60 seeds/ft.
TRANSPLANTS:
Avg. 20,000 plants/oz.
SEED SPECS:
SEEDS/OZ.: 20,000-30,000 (avg. 24,000).
PACKET:
500 seeds.

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