10/14/2026
How Heavy Rain Threatens Large Trees in Petaluma
Because Petaluma, CA sits on clay-heavy soil that drains slowly, prolonged El NiƱo rain saturates the ground and weakens root anchorage for giant oaks and towering redwoods. When soil turns to mud, even healthy trees can topple under their own weight or in moderate wind, making pre-season hazard removal and structural pruning essential for property protection.
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