Rubicon Chinese Cabbage Seeds
Rubicon Chinese Cabbage CB29-50

Rubicon Chinese Cabbage Seeds

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SKU CB29-100
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$4.00 $3.75
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Country Of Origin: USA USA
Planting Instructions
Disease Resistant
Customer Reviews
52 days. Brassica rapa. (F1) Rubicon Chinese Cabbage. This early maturing plant produces high yields of Napa Chinese cabbage. The heads average 8" wide by 12" tall and weigh 5 to 6 ½ lbs. Cabbage has deep green leaves and white ribs. Excellent flavor and used in stir fry, steamed, or raw. Slow bolting. Stores well. An excellent choice for home gardens and market growers. Disease Resistant: BSP.

Lot No: 73195

Germination: 96%

Test Date: 06/24

Seeds Per Pound: 144,000

Plant Height: 12 to 14” tall

Planting Season: Spring/Fall

Sunlight Requirement: Full Sun/Partial Shade

Planting Method: Indoor Sow/Direct Sow

Chinese Cabbage
Brassica oleracea - Capitata Group

Seed DepthSoil Temp. for GerminationDays to GerminationSunlight RequirementsPlanting Time
1/4 to 1/2"70 F to 85 F 7 to 10 daysPartial Shade / Full Sun Spring/Fall
USDA Hardiness ZoneSeed SpacingRow SpacingSpace After ThinningDays to Harvest
N/A 3 to 4"36"18 - 24"55 - 85 days
Chinese Cabbage Seed Planting Information:

Cabbage grows best when daytime temperatures are under 80 F. High fertility, improper water conditions, and heat can cause loose, puffy heads. Spring planting should occur as soon as soil can be worked, 3 to 5 weeks before last frost, and fall planting done around June or July. Plants can grow 6 to 12" tall.

Soil Requirements:

Requires fertile soil. Apply much and grass clippings, or straw around base of plant.

Water Requirements:

Maintain consistent moisture to prevent heads from cracking. Water on the sides of the plant and avoid wetting any part of the plant.

Fertilizer Requirements:

Use RootBlast, Vegetable Alive, and Slow Release Fertilizer when transplanting outdoors. Apply Miracle Gro twice a month.

Harvest Tips:

Cut heads with sharp knife at ground level.

BSP - Black Speck (Pepper Spot)

Type: Physiological Disorder


Black Speck, also known as Pepper Spot, is a physiological disorder that affects cabbage, especially Chinese Napa Cabbage in the United States and Europe. The disease affects the outer leaves of the cabbage, but often can seen deep in the center of the head. Individual brown and black spots develops on the wrapper leaves, and then spread to the inner leaves. Dark lesions spots appear on the cabbage ribs. It appears as if black pepper was sprinkled on the midrib section of the leaves, hence the name "pepper spot". The cause is unknown, but high rates of fertilizers and fluctuations of temperatures have been reported to increase the susceptibility. Symptoms occur in the fields during growth and during cold storage. The best option is to use disease resistant varieties.

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