CountyCumberland County
RegionSouthern Maine
EAB quarantineEntire county
Hemlock woolly adelgidEstablished
Tree Medics protects trees for homeowners, businesses and municipalities in Standish 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 Standish
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 Standish.[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 Standish’s trees
Browntail mothStandish is on the Maine Forest Service’s April 2023 list of towns with significant browntail moth populations, making it an eligible area for the state’s Browntail Moth Mitigation Fund grants.[7]
Browntail mothThe Maine Forest Service’s 2020 browntail moth detection survey mapped 32 acres of intense caterpillar activity in Standish.[8]
Local landscapeThe Portland Water District’s 1,700-acre Sebago Lake Land Reserve in Standish is open for passive recreation, and cutting or defacing trees and other vegetation is prohibited there.[9]
Local landscapeThe Sebago Lake Land Reserve is managed as a forest to protect Sebago Lake, which supplies drinking water to about 200,000 people in greater Portland; its Otter Ponds section alone has more than 13.5 miles of trails.[10]
Local landscapeThe 25-acre Steep Falls Village Preserve in Standish, opened in fall 2021 on a former lumberyard, has regrown into forest with red pine, black locust and a large surviving elm near the trailhead, and it adjoins about 4,000 acres of the state’s Steep Falls Wildlife Management Area.[11]
Local landscapeStandish had a population of 10,244 in the 2020 Census and covers about 59.06 square miles of land.[12]
Tree care services in Standish
Emerald Ash Borer
Trunk injections that protect ash trees from emerald ash borer.
Emerald Ash Borer in Standish
Hemlock Woolly Adelgid
Systemic treatment to keep hemlocks healthy.
Hemlock Woolly Adelgid in Standish
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.[13] Browntail moth help in Standish.
A year of tree care in Standish
- 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
- Maine Forest Service: Towns with Significant Populations of Browntail Moth (2023)
- Maine Forest Service: 2020 Browntail Moth Aerial and Ground Detection Survey (2020)
- Portland Water District: Sebago Lake Land Reserve (2024)
- Portland Water District: Sebago Lake Land Reserve trail map (2024)
- Presumpscot Regional Land Trust: Steep Falls Village Preserve (2021)
- U.S. Census Bureau: QuickFacts, Standish town, Maine (2020)
- Maine Forest Service: Browntail moth management overview