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Pale 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 pale 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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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
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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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Symptoms to look for in Acorn Squash

  • fiber_manual_recordWashed-out, pale colour
  • fiber_manual_recordYellowing between veins
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Common causes in Acorn Squash

  • fiber_manual_recordIron deficiency
  • fiber_manual_recordMagnesium deficiency
  • fiber_manual_recordToo much direct sun
  • fiber_manual_recordAlkaline soil
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How to diagnose pale leaves in Acorn Squash

Interveinal yellowing on new growth = iron deficiency. On old growth = magnesium deficiency.

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How to treat pale leaves in Acorn Squash

Apply chelated iron or Epsom salt as appropriate. Adjust soil pH.

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Preventing pale leaves in Acorn Squash

Use ericaceous compost for acid-loving plants. Feed with micronutrient fertiliser.

Other Acorn Squash problems