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Yellow Leaves in Courgette
verifiedReviewed by the GreenScout Team
Courgettes (zucchini) are incredibly productive summer squash — one plant can produce an abundant harvest all season
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Courgette care requirements
These care conditions are most relevant to yellow leaves in Courgette. Check each one as a potential cause.
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Light
Full sun — minimum 6 hours.
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Water
Deeply, 2–3 times per week. Water at base to prevent mildew.
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Fertiliser
Weekly high-potash feed when fruiting begins.
symptoms
Symptoms to look for in Courgette
- fiber_manual_recordPale green turning yellow
- fiber_manual_recordYellowing starting from lower leaves
- fiber_manual_recordInterveinal yellowing
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Common causes in Courgette
- 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 Courgette
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 Courgette
Adjust watering schedule. Feed with balanced fertiliser. Check for pests.
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Preventing yellow leaves in Courgette
Water only when top 2 inches of soil are dry. Feed during growing season. Provide adequate light.