Spotted Lanternfly inHamilton County, TNSPOTTED LANTERNFLY GUIDE
Hamilton County and the city of Chattanooga form Tennessee's gateway to Georgia along the I-75 corridor, placing the county in the direct path of SLF spread moving south from Kentucky and Virginia. Chattanooga's role as a major freight and logistics hub — with CSX and Norfolk Southern rail yards, multiple trucking distribution centers, and I-24 connecting to Nashville — creates numerous introduction pathways. The county entered the SLF watch zone in 2024 as Tennessee Agricultural officials ramped up monitoring along the state's northeastern border counties where Virginia infestations are advancing. The Tennessee River bends through Chattanooga create ideal riparian habitat for Tree of Heaven, and the region's post-industrial riverfront has historically supported dense Ailanthus populations.
Highest activity zones
SLF Hotspots in Hamilton County, TN
Chattanooga downtown
Active zone
East Ridge
Active zone
Ooltewah
Active zone
Red Bank
Active zone
Signal Mountain
Active zone
Primary SLF food source
Tree of Heaven in Hamilton County, TN
Tree of Heaven colonizes I-75 and I-24 interstate medians and shoulders throughout Hamilton County, with concentrations near the I-24/I-75 interchange in Chattanooga. The Tennessee River banks from Signal Mountain to East Ridge support extensive riparian Ailanthus stands. Post-industrial sites along the downtown Chattanooga waterfront and railroad corridors serving the CSX and Norfolk Southern freight yards represent priority ToH management areas as SLF continues its southward advance.
Identify Tree of Heaven →Local action resources
What To Do in Hamilton County, TN
Report a Sighting
Every sighting in Hamilton County, TN maps the invasion front. Report directly to Tennessee Dept of Agriculture.
Report Now →Squish on Sight
See a spotted lanternfly? Kill it immediately — it is legal and encouraged in all states. Learn the best kill methods.
Full Fight Guide →Map ToH in Your Block
Tree of Heaven removal cuts off SLF food supply. Add ToH sightings to the community map to guide removal efforts.
View Sighting Map →Statewide resources
Full TN State Guide
County-level data, quarantine zones, treatment guides, and agency resources for the entire state.
See the full TN guide →Community intelligence
Live Sighting Map
See where SLF has been spotted near you in Hamilton County, TN. Add your own sighting to help map the front.
Open the Map →Free weekly fight briefing
Fight SLF in Hamilton County, TN.
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