No.2 Yellow‑Heart Cabbage is a fine local‑adapted hybrid leafy brassica. These yellow‑heart cabbage seeds produce compact plants covered with heavily crinkled dark‑green outer leaves, wrapping around a soft, tender yellow inner heart. This variety delivers strong cold tolerance and stable high yields. Light frost improves the sweetness and tenderness of the leaves. It is best suited for late‑summer and autumn sowing. Plants thrive in full‑sun garden plots and raised beds. Grow in fertile, well‑drained soil with consistent moisture. Watch for common brassica pests including flea beetles and cabbage caterpillars. Hot growing conditions should be avoided, as high heat prevents proper heart formation and degrades eating quality. Timely fertilizing supports full, well‑formed yellow‑heart heads.
Planting Instructions Soil Preparation Choose a full‑sun planting spot. Mix large amounts of well‑rotted organic compost into fertile loamy soil. Build raised beds in areas prone to standing water to prevent root rot.
Seed Pre‑treatment Select plump and undamaged seeds. Soak seeds in clean cool water for 2‑3 hours to boost germination speed, air‑dry lightly before sowing. Cold stratification is not needed.
Sowing Method Sow from late summer to early autumn. Sow thinly and cover seeds with 0.8‑1 cm fine soil. Space plants 25‑30 cm apart, row spacing 35‑40 cm. Remove weaker seedlings after 2‑3 true leaves develop.
Germination Condition Optimal germination temperature:15‑22°C. Seedlings emerge within 5‑10 days. Keep soil evenly moist, avoid waterlogging. High temperature inhibits seed germination.
Daily Maintenance Water evenly throughout leaf growth period. Remove weeds in a timely manner. Check leaves regularly for caterpillars and flea beetles. Apply nitrogen‑rich fertilizer during early vegetative growth. Harvest when the yellow inner heart is fully developed.
Specification Plant Name: No.2 Yellow‑Heart Cabbage Botanical Name: Brassica rapa var. narinosa Plant Type: Cool‑season F1 hybrid annual brassica vegetable Mature Height:0.25‑0.35 M Blooming & Fruiting Period: Prone to bolting under prolonged high‑temperature stress Germination Temperature:15‑22°C Growing Temperature:6‑22°C, good cold resistance Light Requirement: Full Sun Soil: Fertile loam with good drainage Planting Difficulty: Easy Core Features: Hybrid No.2 yellow‑heart cabbage, crinkled green outer leaves, soft tender yellow inner heart, strong cold hardiness, improved taste after light frost, high yield, ideal for autumn cultivation
FAQ Q1: What is the best sowing season for No.2 yellow‑heart cabbage? A1: Late summer to autumn is the ideal sowing window for good heart formation and great flavor.
Q2: Can this cabbage survive light frost? A2: It has solid cold resistance. Light frost will make leaf texture more tender and sweeter.
Q3: Why will cabbage not form yellow heart? A3: High temperature, insufficient fertilizer or over‑crowded planting will stop yellow‑heart development.
Q4: What pests frequently attack this leafy vegetable? A4: Cabbage caterpillars and flea beetles are common brassica pests; routine observation is recommended.
Q5: Is spring sowing available? A5: Spring sowing brings higher bolting risk; autumn planting gets the most stable performance.
