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Yellow Leaves in Onion
verifiedReviewed by the GreenScout Team
Onions are a kitchen staple and easy to grow from sets or seed
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Onion care requirements
These care conditions are most relevant to yellow leaves in Onion. Check each one as a potential cause.
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Light
Full sun.
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Water
Regularly until bulbs begin to swell, then reduce.
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Fertiliser
Balanced feed in spring.
symptoms
Symptoms to look for in Onion
- fiber_manual_recordPale green turning yellow
- fiber_manual_recordYellowing starting from lower leaves
- fiber_manual_recordInterveinal yellowing
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Common causes in Onion
- 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 Onion
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 Onion
Adjust watering schedule. Feed with balanced fertiliser. Check for pests.
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Preventing yellow leaves in Onion
Water only when top 2 inches of soil are dry. Feed during growing season. Provide adequate light.