How Wide Do Tree Roots Spread?

“Most tree roots…occupy an area two to four times the diameter of the crown.” – Colorado State University Extension “Roots may occupy an area four to seven times the surface area occupied by the crown of the tree.” – Iowa State University Forestry Extension “While one rule of limb has been that a tree’s roots are one… More

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Top 10 Takeaways: International Society of Arboriculture Conference

Last month we shared a “To 10 Takeaways” blog post about the Soil in the City conference earlier this summer. Today we’re sharing the Top 10s of another conference – the International Society of Arboriculture, held in Milwaukee, WI from August 2nd to August 6th – again compiled by L. Peter MacDonagh, FASLA. This list is a… More

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