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Dropping Leaves in Cedar of Lebanon

verifiedReviewed by the GreenScout Team

A majestic, large evergreen conifer with stiff, needle-like foliage arranged in whorled clusters and a distinctive broad, spreading form when mature. Leaves suddenly falling off the plant, whether green, yellow, or wilted, is a stress response to environmental change or care issues.

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Cedar of Lebanon care requirements

These care conditions are most relevant to dropping leaves in Cedar of Lebanon. Check each one as a potential cause.

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Light
Full sun; requires 6+ hours of direct sunlight daily for optimal growth and form.
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Water
Moderate water needs once established; water regularly during first 2–3 years to establish deep roots. Drought-tolerant in mature specimens; avoid waterlogged soil.
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Soil
Well-draining, sandy to loamy soil; tolerates poor, rocky, or slightly alkaline soils. Good drainage is essential to prevent root rot.
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Symptoms to look for in Cedar of Lebanon

  • fiber_manual_recordLeaves falling off with little warning
  • fiber_manual_recordBoth green and yellowed leaves dropping
  • fiber_manual_recordBare stems with few remaining leaves
  • fiber_manual_recordLeaf drop concentrated on lower or inner branches
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Common causes in Cedar of Lebanon

  • fiber_manual_recordSudden change in temperature or location
  • fiber_manual_recordDrafts from air conditioning, heating vents, or open windows
  • fiber_manual_recordOverwatering or underwatering
  • fiber_manual_recordLow humidity causing leaf desiccation
  • fiber_manual_recordRoot bound conditions restricting water uptake
  • fiber_manual_recordRepotting shock
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How to diagnose dropping leaves in Cedar of Lebanon

Check whether the drop started after a change in environment — a move, a cold draught, or a change in watering. Feel the soil to rule out over or underwatering. Inspect roots if the plant is potted.

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How to treat dropping leaves in Cedar of Lebanon

Stabilise the plant's environment — keep it away from vents and cold windows. Adjust watering to match the season. If recently repotted, give the plant 2–4 weeks to recover without extra fertiliser. Remove dropped leaves promptly to prevent mould.

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Preventing dropping leaves in Cedar of Lebanon

Avoid moving plants unnecessarily. Maintain consistent temperature (above 15°C) and humidity. Water on a regular schedule and check soil moisture before each watering.

Other Cedar of Lebanon problems

Dropping Leaves in Cedar of Lebanon — Causes & Treatment | GreenScout