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Diagnosing Browning in Newly Planted Cedars: Water, Shade, or Dust?

Why Are Your Cedars Turning Brown in the Center?

Concrete dust from a neighbor's project is not the cause of interior browning—dust damage appears first on outer, new growth. The real culprits are likely cultural:

Common Causes of Interior Cedar Browning

  • Overwatering: Cedars prefer moderate moisture. Water only when top 2 inches of soil are dry—about 1 inch per week via sprinkler (measure with a pan).
  • Natural shading: As cedars mature, interior needles receive less light and naturally shed. This is normal if branch tips remain green.
  • Transplant stress: May 2024 planting + summer heat = adjustment period.

Correct Watering Protocol

  1. Place a shallow pan under the sprinkler pattern.
  2. Run water until pan collects 1 inch.
  3. Repeat only when soil is dry 2 inches down.
  4. Mulch 2-3 inches deep (keep off trunk) to conserve moisture.

When to Worry

If branch tips (new growth) turn brown, or if entire branches die, investigate further for root rot, spider mites, or planting depth issues. Otherwise, interior shedding is largely aesthetic.

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