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Pale Leaves in Cucumber

verifiedReviewed by the GreenScout Team

Cucumbers are fast-growing, warm-season vegetables producing crisp, refreshing fruits

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Cucumber care requirements

These care conditions are most relevant to pale leaves in Cucumber. Check each one as a potential cause.

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Light
Full sun — 8+ hours.
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Fertiliser
High nitrogen until flowering, then balanced.
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Water
Deeply and regularly. Consistent moisture essential; water stress causes bitter fruit.
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Symptoms to look for in Cucumber

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

  • 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 Cucumber

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

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How to treat pale leaves in Cucumber

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

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Preventing pale leaves in Cucumber

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

Other Cucumber problems