OSAKA IQ ORNAMENTAL CABBAGE

Product catalog summary

Overview: The Osaka iQ series of ornamental cabbage is known for its colorful and compact nature, offering excellent landscape performance. It is genetically more compact than the typical Osaka series, requiring less growth regulation and having a shorter crop cycle.

Fertilization: Use a calcium nitrate-based fertilizer at 150-200 ppm N. Once coloring begins, reduce to 100-150 ppm N to maintain plant health and prevent yellowing of lower leaves. Studies indicate no correlation between nitrogen levels and delayed coloring.

Light Requirements: Grows well under full sun, tolerating up to 10,000 foot candles/107,000 lux.

Growth Regulation: Chemical growth regulation is necessary under warm temperatures. Bonzi® (paclobutrazol) drenches at 2-5 ppm are effective, while B-Nine® (daminozide) is not recommended as it delays color formation.

Coloring: Leaf color change is due to anthocyanins, which appear when temperatures are below 72-73°F during the day and 40-59°F at night. If temperatures rise after color change begins, leaves may revert to green.

Timing: For 6-inch pots, expect 9-10 weeks from sowing to color initiation; for 8-inch pots, 11-13 weeks.

Pests and Diseases: Common pests include aphids, caterpillars, and cutworms. Diseases include Botrytis and downy mildew.

Plug Culture (28 Days):

Stage One (Days 1-5): Sow seeds in a 288-plug tray with sterile media, cover lightly with vermiculite. Optimum temperature is 70°F/21°C.
Stage Two (Days 6-14): Move seedlings to a cool, bright location. Optimum temperature is 55-60°F/13-15°C. Fertilize with 50 ppm N.
Stage Three (Days 15-22): Maintain temperatures and fertilize with 100 ppm N. Apply B-Nine® or Bonzi® to reduce stem elongation.
Stage Four (Days 23-28): Seedlings should have two pairs of true leaves and be ready for transplanting.

Transplanting: Use a soil-based mix with 20-30% field soil or a soilless media. Optimum pH is 5.8-6.2. Ensure adequate spacing to maximize plant size and reduce stretching.

Specifications:

Type: Annual
Common Name: Ornamental Cabbage
Botanical Name: Brassica oleracea
Seed Count: 8,500/ounce, 300/gram
Optimum Germination Temperature: 70°F/21°C
Optimum Growing Temperature: 50-68°F/10-20°C
Optimum pH: 5.8-6.2

Note: The information provided is for general guidance and may need adjustments based on individual conditions. Always follow local regulations and manufacturer’s instructions when applying growth regulators and chemicals.

Catalog excerpts

PINK BICOLOR CABBAGE WITH GREAT LANDSCAPE PERFORMANCE

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OSAKA IQ ORNAMENTAL CABBAGE TYPE COMMON NAME OSAKA IQ ORNAMENTAL CABBAGE Our new Osaka iQ series produces colorful leaves on tightly packed, compact heads. Osaka iQ plants are vigorous and uniform, producing layers of leaves with wavy edges. Our new Osaka iQ series is earlier to color than typical Osaka varieties for a shorter crop cycle! STAGE ONE (DAYS 1 - 5): Single sow seed into a 288-plug tray filled with a sterile and well drained media. Optimum temperature is 70°F/21°C. Lightly cover with coarse vermiculite, as seed requires light to germinate. STAGE TWO (DAYS 6 - 14): As soon as seedlings...

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