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2nd Annual Girdling Root Excavation Workshop (IAA)

August 13, 2026 8:00 AM - 12:00 PM (CDT)

Description

The bad news: many urban trees live a short, sad life and die from unknown causes. We may treat several secondary assaults while these trees are declining from unseen girdling roots below the surface. The good news: if we know what we are looking for, this can be prevented or fixed. Come see arborists, Jesse Fox and Ron Zillmer discuss the problem and employ a supersonic air knife (air spade) to expose and remove some of these hidden killers and save some trees at the arboretum.

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