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

Disease Resistance:

MSCLB

Mod. Southern Corn Leaf Blight

Symbols Explained

Cold Tolerant

Cold Tolerant

Variety does well at lower temperatures and may even be frost hardy.

Xtra -Tender 272A (F1) (sh2) (Treated)
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Xtra -Tender 272A (F1) (sh2) (Treated)

2839T

Product ID: 2839T

Good vigor and high quality.

Xtra-Tender 272A is similar to 270A but matures about three days later. The eating quality is excellent. Sweet and tender with good corn taste. Ears average 8" with 16-18 rows of kernels. Dark green husks and attractive flags. Good cool soil germination. 5-5½' plants. Avg. 3,000 seeds/lb. Packet: 150 seeds.

Product Price Qty
2839TPacket  $3.95 
2839T1,000 Seeds  $13.40 
2839T5,000 Seeds  $58.85 
2839T25,000 Seeds  $254.75 
2839T100,000 Seeds  $891.00 

Quick Facts

Days to Maturity or Bloom:   72

 

Product Symbols:

Cold Tolerant  

Disease Resistance Codes:

MSCLB  

Shipping Information & Notes

NOTE: Corn Cold Testing: As an additional service to our customers, all Johnny's treated sweet corn seed lots are "cold tested". We take this extra step to ensure our customers receive the highest germinating seeds possible. Cold testing mimics spring soil conditions and indicates suitability for early, cool soil sowing.

Sweet Corn Varieties | Comparison Chart

Growing Information

Corn, Sweet



CULTURE: Cold soil planting risks poor germination! Even treated corn seeds (fungicide or Natural III) risk low germination under 60°F (16°C). Only treated seeds of good cold-germinating varieties may be sown in 55°F (13°C) soil if warmer weather is anticipated. Otherwise wait until soil temperature is at least 60°F (16°C). Please see the sweet corn comparison chart for minimum soil temperature at planting for individual varieties. Make first sowings of UNTREATED seeds when soil is warm, at least 65°F (18°C). Floating row covers may be used on early plantings to help moderate soil temperature.
PLANTING:
Plan to separate small plantings of Super Sweets by a distance of 25 feet, (acreage plantings,100 feet) from non-Super Sweet varieties, or by time, a 10-day planting date/maturity difference. Extensive crossing with non-Super Sweets will result in tough, starchy kernels in both types. Sow 3/4-1" deep, 6-7" apart (or 2 seeds every 9", thinning to 1 plant), rows 30-36" apart. Increase this rate for untreated seeds. Arrange in blocks of at least 4 rows for proper pollination, which is needed for well-filled ears. Successive plantings can be made through early summer; most growers prefer to extend the sweet corn season by planting a few varieties of different maturities.
INSECT PESTS:
Consult your local Extension office for Integrated Pest Management information. Reduce insect pests in the next corn crop by prompt plowing-in or removal and composting of cornstalks after harvest.
HARVEST:
When kernels are full and "milky," generally indicated by a drying and browning of the ear silks. Record the date on which about half the plants show silk. Corn is ready to eat 18-24 days after ear silks first show; the warmer the weather, the sooner you can pick it.
DAYS TO MATURITY:
Varies widely with weather conditions and planting dates. Use these figures to compare one variety to another, not to accurately predict maturity on a given day.
AVG. SEEDING RATE:
500'/M, 2,500'/5M, 12,500'/25M, 30M/acre at 2 seeds/ft. in rows 36" apart.
SEED SPECS:
SEEDS/LB.: 1,700-3,500 (avg. 2,500 su/se/synergistic type). Super Sweet 2,500-5,500 (avg. 3,000)
PACKET:
150 seeds sows 75' at 2 seeds/ft.
PLEASE SPECIFY:
(1) treated with Natural III organic seed enhancement (B), (2) treated with fungicide seed protectants (T), or (3) untreated seeds. We offer most varieties untreated or Natural III treated for organic growers. All fungicide treated corn seeds are polymer-coated after treatment to prevent rubbing off or dusting of the treatment.


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