These counties in Pennsylvania have active Master Gardener programs.
Adams County
Allegheny County
Armstrong County
Beaver County
Bedford County
Berks County
Blair County
Bradford County
Bucks County
Butler County
Cambria County
Cameron County
Carbon County
Centre County
Chester County
Clarion County
Clearfield County
Clinton County
Columbia County
Crawford County
Cumberland County
Dauphin County
Delaware County
Elk/Cameron County
Erie County
Fayette County
Forest County
Franklin County
Fulton County
Greene County
Huntingdon County
Indiana County
Jefferson County
Juniata County
Lackawanna County
Lancaster County
Lawrence County
Lebanon County
Lehigh/Northampton County
Luzerne County
Lycoming County
McKean County
Mercer County
Mifflin County
Monroe County
Montgomery County
Montour County
Northumberland County
Perry County
Philadelphia County
Pike County
Potter County
Schuylkill County
Snyder County
Somerset County
Sullivan County
Susquehanna County
Tioga County
Union County
Venango County
Warren County
Washington County
Wayne County
Westmoreland County
Wyoming County
York County
