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Yellow Leaves in Lupin
verifiedReviewed by the GreenScout Team
Lupins are tall, stately perennials with striking spires of densely-packed flowers in rich jewel tones and pastels
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Lupin care requirements
These care conditions are most relevant to yellow leaves in Lupin. Check each one as a potential cause.
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Light
Full sun to partial shade (minimum 5–6 hours sun daily) for robust growth.
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Water
Water regularly to keep soil consistently moist; good drainage is critical. Drought-sensitive; mulch to retain moisture.
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Fertiliser
Light feeding; excess nitrogen promotes foliage at expense of flowers. Avoid high-phosphorus fertilizers.
symptoms
Symptoms to look for in Lupin
- fiber_manual_recordPale green turning yellow
- fiber_manual_recordYellowing starting from lower leaves
- fiber_manual_recordInterveinal yellowing
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Common causes in Lupin
- 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 Lupin
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 Lupin
Adjust watering schedule. Feed with balanced fertiliser. Check for pests.
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Preventing yellow leaves in Lupin
Water only when top 2 inches of soil are dry. Feed during growing season. Provide adequate light.