How to Grow Korean Cabbage Two Seasons

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Korean Cabbage Two Seasons

Brassica rapa subsp. pekinensis

vegetable

Korean Cabbage Two Seasons is a napa cabbage variety bred for adaptability to both spring and fall growing seasons. This elongated, cylindrical cabbage produces dense, pale green heads with crinkled leaves ideal for kimchi and stir-frying. It matures quickly and handles temperature fluctuations better than many standard napa varieties.

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Example Korean Cabbage Two Seasons timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Korean Cabbage Two Seasons

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Korean Cabbage Two Seasons

    Around Jun 6

    ≈ 50 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Korean Cabbage Two Seasons dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum
💧
Water: Consistent moisture throughout growing season; water deeply 1-2 inches per week. Keep soil evenly moist but not waterlogged. Inconsistent watering causes splitting and bolting.
📏
Spacing: 12-18 inches between plants in rows 18-24 inches apart inches
📅
Days to maturity: 50-70 days from transplant; 75-90 days from seed
🌱
Planting depth: 0.25-0.5 inches for seeds; transplant at true leaf stage

Soil

Type: Well-draining, fertile loamy soil rich in organic matter
pH: 6.0-7.5
Amendments:
Compost Aged manure Balanced NPK fertilizer (10-10-10) Lime if pH is below 6.0

Growing Zones

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Thrives in zones 3-9; performs best in cooler seasons with moderate temperatures

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Seedling

3-4 weeks

Small plants with 2-3 true leaves, pale green coloring, delicate appearance

Keep soil consistently moist but not waterlogged. Provide bright light. Thin seedlings to prevent overcrowding. Fertilize weakly with half-strength liquid fertilizer at 2-3 week intervals.

2

Vegetative Growth

3-4 weeks

Rapid leaf expansion, plants developing multiple layers of crinkled leaves, pale green coloration intensifying

Maintain consistent moisture and regular fertilization every 2-3 weeks. Watch for cabbage worms and apply row covers if needed. Thin to proper spacing. Monitor for nutrient deficiencies (nitrogen hunger shows as yellowing lower leaves).

3

Head Formation

2-3 weeks

Outer leaves begin wrapping and compacting, head tightens from outer edges inward, plant height increases

Continue consistent watering; this stage is critical for head density. Maintain nitrogen levels but reduce if plant becomes too lush. Side-dress with balanced fertilizer mid-stage. Remove damaged outer leaves to reduce pest habitat.

4

Head Maturation

1-2 weeks

Head becomes dense and compact, reaches full elongated cylindrical shape, pale green color deepens slightly, outer wrapper leaves firm

Reduce nitrogen to encourage firmness. Water deeply but less frequently. Monitor soil moisture carefully—too much causes splitting. Check for internal rot by gentle pressing. Harvest when head feels firm but slightly yields to moderate pressure.

5

Harvest-Ready

Ready to harvest

Fully compact head, firm to touch, proper cylindrical shape achieved, wrapper leaves tight and protective

Harvest at peak maturity to prevent splitting from rain or overwatering. Heads can tolerate light frost (down to 28°F) but should be harvested before hard freezes. Handle gently to avoid bruising.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Tomatoes Peppers Strawberries Fennel Kohlrabi Other brassicas (within 3 feet) to reduce pest concentration

Common Pests

  • Use floating row covers over young plants. Apply Bacillus thuringiensis (Bt) spray when worms appear. Hand-pick visible worms. Encourage native parasitic wasps.

  • Row covers for seedlings. Bacillus thuringiensis (Bt) spray. Neem oil for light infestations. Encourage parasitic wasps and ladybugs.

  • Row covers on seedlings. Neem oil or insecticidal soap. Kaolin clay spray. Avoid planting in same location yearly.

  • Strong water spray to dislodge. Insecticidal soap or neem oil. Encourage ladybugs and lacewings. Remove heavily infested leaves.

  • Rotate crops; don't plant brassicas in same spot for 3+ years. Improve drainage. Lime acidic soils. Remove and destroy infected plants. Use disease-resistant varieties if available.

Uses

🍳

Kimchi & Korean Fermentation

Culinary

Korean Cabbage Two Seasons is specifically bred for kimchi production, offering ideal crinkled leaf texture that traps spices and flavors during fermentation. The dense head structure supports proper fermentation without collapse. [source]

🍳

Stir-Frying & Asian Cuisine

Culinary

The tender, sweet inner leaves are perfect for quick stir-fries, while the structural integrity of the head allows clean slicing for various Asian dishes. The mild flavor complements ginger, garlic, and sesame. [source]

🍳

Raw Salads & Slaws

Culinary

The pale inner leaves are tender and slightly sweet when raw, making them excellent for fresh slaws, salads, and wraps. The crinkled texture adds visual appeal and holds dressings well. [source]

💊

Digestive & Probiotic Support

Medicinal

When fermented into kimchi, the cabbage develops beneficial probiotics that support gut health and digestive function. Raw cabbage contains glucosinolates and sulforaphane with anti-inflammatory properties. [source]

🏠

Food Preservation

Household

The excellent storage longevity (2-3 months at cool temperatures) makes this variety valuable for season extension and winter food supply. It's ideal for homesteaders and those practicing food preservation. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest when heads are firm and cylindrical, typically 50-70 days after transplanting or 75-90 days from seed. Use a sharp knife to cut the head at the base, leaving 1-2 inches of stem and outer wrapper leaves attached to protect inner leaves. Harvest in morning for crispest texture. Heads can be stored in refrigerator at 32-40°F for 2-3 months. For kimchi preparation, harvest when heads are at full maturity for optimal flavor and fermentation.

Fun Facts

  • 🌱 Korean Cabbage Two Seasons was specifically bred in Korea to perform reliably in both spring and fall seasons, earning its 'Two Seasons' name—unlike many napa varieties that bolt or split easily when conditions fluctuate.
  • 🌱 Kimchi, made from this cabbage type, has been part of Korean cuisine for over 3,000 years and is so culturally significant that Korea maintains a national kimchi museum and celebrates 'Kimchi Day' each November 22nd.
  • 🌱 The crinkled leaves of napa cabbage (including this variety) create up to 50% more surface area than smooth-leafed cabbages, which helps them absorb and retain flavors and seasonings during cooking and fermentation.

Gardening Terms

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