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Cutting Blue Spruce Root for Greenhouse Foundation: Safe If Limited

Cutting One Large Blue Spruce Root: Low Risk

Cutting a single lateral root (10–12" diameter) 12 ft from a 30-year-old blue spruce:

Won't kill the tree. Can remove up to 25% of roots safely.
Taproot provides stability. Windthrow risk unchanged.
Possible minor dieback on that side, but unlikely.

Watering Note

Daily flower watering helps the tree. Ensure deep soaking, not just surface wetting.

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