roots

  • Surface roots create tripping and mowing hazards. Photo by H.N. Kolich.

    Active tree root growth occurs horizontally from the tree trunk at a depth of 18 or fewer inches. Urban and suburban soils are usually not ideal and suffer further from compaction. When soil is compacted, all the little pockets or pores that hold oxygen and moisture are squished flat. Construction, parking or driving on soil,…

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