Awbury's Natural Resource Education Garden
Composting
Pests in the Garden
Water Conservation
Wildlife Habitats
Local Arboreta & Botanic Gardens
Greater Philadelphia Gardens (http://www.greaterphiladelphiagardens.org)
Morris Arboretum (http://www.upenn.edu/arboretum)
Scott Arboretum at Swarthmore College (http://www.scottarboretum.org)
Tyler Arboretum (http://www.Tylerarboretum.org)
Bowman's Hill (http://www.bhwp.org)
Nearby Historic Sites
Cliveden (http://www.cliveden.org)
Historic RittenhouseTown (http://www.rittenhousetown.org)
Plants / Horticulture
Pennsylvania Horticultural Society (http://www.pennsylvaniahorticulturalsociety.org)
Natural Lands Trust (native plants) (http://www.natlands.org/Library/nativeplants.html)
Urban Forestry News (http://www.dcnr.state.pa.us/forestry/pucfc/)
Environmental Centers
Bucks County Audubon Society (http://www.bcas.org)
Churchville Nature Center (http://www.churchvillenaturecenter.org)
Green Lane Nature Center (http://www.montcopa.org/parks/green%20lane.htm)
Lancaster County Environmental Education (http://www.co.lancaster.pa.us/parks/cwp)
Peace Valley Nature Center (http://peacevalleynaturecenter.org)
Riverbend Environmental Education Center (http://www.riverbendeec.org)
Schuylkill Center (http://www.schuylkillcenter.org)
Silver Lake Nature Center (http://www.silverlakenaturecenter.org)
Watershed Associations
Brandywine/Red Clay Watershed Association (http://www.brandywinewatershed.org)
Perkiomen Watershed Conservancy (http://www.pvwatershed.org)
Stonybrook-Millstone Watershed Assoc (http://www.thewatershed.org)
Wissahickon Valley Watershed Association (http://elaine.membrane.com/philanet/wvwa)
Other
Friends of High School Park (http://www.cheltenhamtownship.org/orgs/fhsp.htm)
Isles, Inc. (http://www.isles.org)
Lower Merion Conservancy (http://www.lmconservancy.org)
Mill Grove Audubon (http://www.methacton.k12.pa.us/audubon/mill_grove2)
Philadelphia EarthForce (http://www.earthforce.org/delval)
Wildlands Conservancy (http://www.wildlandspa.org)
Culture Files (http://www.gophila.com/culturefiles)
General
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