Gladius (F1) Brussels Sprout Seed
Gladius (F1) Brussels Sprout Seed
Early and firm with great field-holding ability.
Blue-green sprouts are uniform in size and color and hold well on their stalks. Plants resist lodging. Medium-small sprouts. For early and mid-fall harvest. Avg. 76,100 seeds/lb. Packet: 100 seeds.
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TRANSPLANTING: In May, sow 2–3 seeds per cell in 72-cell plug flats, 3–4 seeds/in. in 20-row flats, or in outdoor beds ¼" deep. Seedlings should be ready to transplant in 4–6 weeks. Space 18–24" between plants, in rows 30–36" apart. To maintain steady growth, the crop should be well fertilized and irrigated in dry weather.
DIRECT SEEDING: About 4 months before expected fall frost, sow 3 seeds every 18", ¼–½" deep, in rows 30–36" apart; thin to 1 plant per spot.
DISEASES: Adhere strictly to a preventive program including: (1) long crop rotations with non-brassica crops, (2) clean starting mixes and outdoor seedbeds, and (3) strict sanitation practices. Johnny's Selected Seeds only sells seed lots of Brussels sprouts that have tested negative for black rot (Xanthomonas campestris pv. campestris) and black leg (Phoma lingam).
NOTE: A disease-free test result means that in the sample tested, the pathogen targeted was not found. It does not guarantee a seed lot to be disease-free. However, no method of seed treatment can positively insure freedom from disease. We are glad to help with specific questions.
INSECT PESTS: Repel flea beetles and root maggots on young seedlings by covering with floating row covers from day of planting. Treat flea beetles with pyrethrin or azadirachtin if heavy pressure is observed. For cabbage worms and loopers, use Bacillus thuringiensis (Bt.). Cutworm prevention: Cultivate soil 2–4 weeks before planting to work in cover crops and destroy weeds.
HARVEST: Pick after frost and until the end of December in most areas, and through the winter where cold is not severe. Sprouts should be firm and well formed. Break off the leaf below the sprout and snap off the sprout. The upper sprouts will continue to form and enlarge as the lower ones are harvested.
WHOLE-STALK HARVESTING, MARKETING, AND TOPPING: For a once-over harvest (uniform maturity of most sprouts on the plant) and whole-stalk marketing, the plants should be topped by pinching out the growing point (rosette of several small leaves at the top of the plant) when the lower sprouts are ½–¾" in diameter. A full stalk of uniform-size sprouts will develop in about 4 weeks.
STORAGE: Before ground freezes, pull plants out by the roots and place in a humid cooler at 32°F (0°C) or cold cellar for 4–6 weeks.
DAYS TO MATURITY: From transplanting; add about 20 days for direct seeding.
TRANSPLANTS: Avg. 800 plants/1,000 seeds.
SEED SPECS: SEEDS/LB.: See individual varieties.
PACKET: 100 seeds, sows 33'.
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