CountyCumberland County
RegionSouthern Maine
EAB quarantineEntire county
Hemlock woolly adelgidEstablished
Tree Medics protects trees for homeowners, businesses and municipalities in Falmouth and across Cumberland County. We diagnose tree problems and treat the insects and diseases threatening Southern Maine’s trees, from emerald ash borer to browntail moth.
What’s threatening trees in Falmouth
Emerald ash borerAll of Cumberland County is inside Maine’s emerald ash borer quarantine.[1] In 2026, ash dieback and mortality were reported throughout southern Maine.[2]
Hemlock woolly adelgidAs of December 2024, the Maine Forest Service lists it as established in Falmouth.[3]
Browntail mothFound in all 16 Maine counties, and its toxic hairs stay in the environment for up to three years.[4] In 2026, Maine CDC reported higher browntail moth populations in parts of Cumberland County, along with parts of Androscoggin, Hancock and Oxford counties, even as populations statewide have been steadily decreasing over the past couple of years.[5] The Maine Forest Service’s 2026 aerial survey found localized defoliation mainly along the western shores of Sebago Lake.[2]
Beech leaf diseaseNow found in all 16 Maine counties.[6]
About Falmouth’s trees
Local landscapeFalmouth is a Cumberland County town with a 2020 Census population of 12,444 and a land area of about 29.4 square miles.[7]
Browntail mothIn May 2019 Falmouth began contracted roadside spraying of trees for browntail moth and added eight miles of treatment as the moths were found farther inland.[8]
Browntail mothIn April 2019 Falmouth’s town manager told state lawmakers that residents were coming to town hall to show browntail moth rashes.[9]
Browntail mothThe Maine Forest Service notes that browntail moth populations were again observed in Falmouth in 2010.[10]
Emerald ash borerIn 2024 the Maine Forest Service treated 12 ash trees at three southern Maine ash-preservation sites, one of them in Falmouth.[11]
Community treesFalmouth is listed by the Maine Forest Service as a Tree City USA community with 4 years of recognition.[12]
Local landscapeFalmouth’s town-owned Blackstrap Hill Community Forest covers more than 200 acres.[13]
Tree care services in Falmouth
Emerald Ash Borer
Trunk injections that protect ash trees from emerald ash borer.
Emerald Ash Borer in Falmouth
Hemlock Woolly Adelgid
Systemic treatment to keep hemlocks healthy.
Hemlock Woolly Adelgid in Falmouth
Tree Health Assessments
Find out what’s wrong with a tree and what to do about it.
About tree health assessmentsBrowntail moth season starts in your trees right now.
From October to March, young browntail moth caterpillars overwinter in silk webs at the tips of branches. The Maine Forest Service recommends clipping and destroying webs within reach between mid-December and early April.[14] Browntail moth help in Falmouth.
A year of tree care in Falmouth
- WinterClip browntail moth webs, assess trees while branches are bare, and plan spring treatments.
- SpringTrunk injections for ash trees after leaf-out, and browntail moth treatment before caterpillars feed.
- SummerWatch for thinning crowns on ash and early leaf drop. Check beech leaves for dark bands between the veins.
- FallLook for white woolly masses on hemlock twigs, and spot new browntail webs once leaves drop.
Nearby towns we serve
Sources
- Maine Forest Service: EAB found in seven more Maine towns, with York and Cumberland counties under quarantine (2020)
- Maine Forest Service: Forest & shade tree conditions, August 2026
- Maine Forest Service: Hemlock woolly adelgid overview and distribution
- Maine CDC & Maine Forest Service: Browntail moth hairs pose risk during spring outdoor activities
- Maine CDC Health Advisory: Browntail moth (May 2026)
- Maine Forest Service: Forest & shade tree conditions, September 2026
- U.S. Census Bureau: QuickFacts, Falmouth town, Cumberland County, Maine (2020 Census)
- WGME: Falmouth starts spraying to combat browntail moth problem (2019)
- Maine Public: Maine Towns Desperate For Help Fighting Browntail Moth Infestations (2019)
- Maine Forest Service: Browntail Moth in Maine – History and Current Situation (2018)
- Maine Forest Service: Forest & Shade Tree – Insect & Disease Conditions for Maine, October 9, 2024 (2024)
- Maine Forest Service: Project Canopy – Tree City USA
- Bangor Daily News: Plan to harvest trees from Falmouth town forests called ‘outrageous’ (2014)
- Maine Forest Service: Browntail moth management overview