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Welcome to The Thielke Arboretum, Glen Rock, New Jersey!

The Garden in Your Backyard

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Proposed Education Center receives boost - February 13, 2015 Glen Rock Gazette
Terrone painting added to Glen Rock Historical Society's collection - February 13, 2015 - Glen Rock Gazette
Local anglers cast their lines at Thielke Arboretum in Glen Rock  - June 21, 2013 Glen Rock Gazette

Education Center at Glen Rock's Thielke Arboretum targeted for 2015 - April 29, 2014 - Glen Rock Gazette

Glen Rock Arboretum prepares for Earth Day - April 21, 2014 - Glen Rock Gazette

Annual Bulb Planting set for October 28, 2012

Kindergartners Learn in Outdoor Classroom
Glen Rock Gazette Article: July, 2012

Friends of Glen Rock Arboretum seek funds for new facility

Glen Rock Gazette Article: September 20, 2011

Gazette Article 092011