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Thuja Green Giant Root System: Safe for Structures

Owner asks about Thuja Green Giant root system type.

Root Profile

  • Fibrous, spreading—not taproot.
  • Won't damage drives, walks, foundations.
  • Spread ~1.5x foliage width.
  • Only invade old leaking clay sewers; modern plastic pipes safe.

General Behavior

No significant root problems. Excellent for screening near hardscapes.

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