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Yellow Leaves in Bok Choy
verifiedReviewed by the GreenScout Team
Bok choy is a fast-growing Asian brassica with tender green leaves and white stems that are harvested as a whole head or leaf-by-leaf
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Bok Choy care requirements
These care conditions are most relevant to yellow leaves in Bok Choy. Check each one as a potential cause.
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Light
Full sun to partial shade; 6–8 hours of direct sunlight daily. Light afternoon shade in hot climates prevents bolting. Insufficient light slows growth and reduces vigor.
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Water
Keep soil evenly moist, providing 1–1.5 inches per week. Water consistently to prevent stress and bolting. Drip irrigation works well. Avoid waterlogging, which causes root issues.
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Fertiliser
Moderate feeder. Apply balanced fertilizer (10-10-10) every 3–4 weeks, or use compost mulch. Side-dress with nitrogen-rich compost to support leaf and stem development.
symptoms
Symptoms to look for in Bok Choy
- fiber_manual_recordPale green turning yellow
- fiber_manual_recordYellowing starting from lower leaves
- fiber_manual_recordInterveinal yellowing
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Common causes in Bok Choy
- fiber_manual_recordOverwatering
- fiber_manual_recordUnderwatering
- fiber_manual_recordNutrient deficiency
- fiber_manual_recordLow light
- fiber_manual_recordRoot rot
- fiber_manual_recordPests
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How to diagnose yellow leaves in Bok Choy
Check soil moisture first. Wet soil + yellow lower leaves = overwatering. Dry soil = underwatering. Yellowing between veins = nutrient deficiency.
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How to treat yellow leaves in Bok Choy
Adjust watering schedule. Feed with balanced fertiliser. Check for pests.
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Preventing yellow leaves in Bok Choy
Water only when top 2 inches of soil are dry. Feed during growing season. Provide adequate light.