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Yellow Leaves in Acorn Squash
verifiedReviewed by the GreenScout Team
A winter squash producing distinctive ribbed, dark green acorn-shaped fruits with sweet, orange flesh ideal for roasting and stuffing
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Acorn Squash care requirements
These care conditions are most relevant to yellow leaves in Acorn Squash. Check each one as a potential cause.
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Light
Full sun; requires minimum 6–8 hours of direct sunlight daily for vigorous growth and fruit quality
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Water
Water deeply 1–2 inches per week; maintain consistent moisture during fruit development; reduce watering as fruits mature and begin hardening off
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Fertiliser
Apply balanced fertilizer (10-10-10) at planting and every 3–4 weeks; reduce nitrogen (5-10-10) once flowering begins to promote fruiting
symptoms
Symptoms to look for in Acorn Squash
- fiber_manual_recordPale green turning yellow
- fiber_manual_recordYellowing starting from lower leaves
- fiber_manual_recordInterveinal yellowing
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Common causes in Acorn Squash
- 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 Acorn Squash
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 Acorn Squash
Adjust watering schedule. Feed with balanced fertiliser. Check for pests.
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Preventing yellow leaves in Acorn Squash
Water only when top 2 inches of soil are dry. Feed during growing season. Provide adequate light.