Use the map below to see all of the City-owned ash trees across Longmont. Ash trees are treated for Emerald Ash Borer based on criteria outlined in the City of Longmont Emerald Ash Borer Management Plan. Forestry Services manages all ash trees on this map and reserves the right to change the treatment status at any time.

Treatment Status

• GREEN - have been treated
• ORANGE - scheduled for treatment
• GRAY - not selected for treatment