• Lady Bird Johnson Wildflower Center wildflower.org
• USDA PLANTS Database plants.usda.gov
• Bowman's Hill Wildflower Preserve bhwp.org
• The Pennsylvania Flora Project paflora.org
• Plant Conservation Alliance nps.gov/plants
• Pennsylvania Natural Heritage Program  naturalheritage.state.pa.us
• Pennsylvania DCNR dcnr.state.pa.us/forestry/plants/nativeplants/
• USFWS Chesapeake Bay Native Plant Guide www.nps.gov/plants/pubs/chesapeake/
• USFWS Chesapeake Bay Native Plant Center www.nativeplantcenter.net/  
• The Pennystone Project (Pennsylvania Native Plants) www.pennystone.com
• The Nature Conservancy go-wild-with-native-gardening

Some Local Sources of Native Plants

• Edge of the Woods Native Plant Nursery, Orefield, PA (all natives) edgeofthewoodsnursery.com
• Bowman's Hill Wildflower Preserve, New Hope, PA (also has semiannual native plant sales) bhwp.org
• Sugarbush Nursery, Plowville, PA (all natives) sugarbushnursery.com
• Redbud Native Plant Nursery, Glen Mills, PA (all natives) redbudnativeplantnursery.com
• Behmerwald Nursery, Schwenksville, PA (some natives) behmerwald.com
• List of Pennsylvania Native Plant Nurseries www.plantnative.org/nd_patova.htm  
• Another List of Pennsylvania Native Plant Nurseries www.fws.gov/chesapeakebay/BayScapes/bsresources/bs-nurseries.html#PA 

Some Mail Order Sources of Native Plants 

• Prairie Moon Nursery www.prairiemoon.com 
• Musser Forests (some native saplings)  www.musserforests.com
• Arbor Day Foundation (some native saplings) www.arborday.org 
• McClure and Zimmerman (some native wildflowers) www.mzbulb.com 
• Eastern Plant Specialties (mostly natives to Northeast US) www.easternplant.com   

Gardening for Wildlife

• National Wildlife Federation Garden for Wildlife nwf.org/gardenforwildlife
• PSU Wildlife Fact Sheets http://extension.psu.edu/wildlife/habitat-management 
• Natural Lands Trust natlands.org
• Doug Tallamy Host Plant Lists copland.udel.edu/%7Edtallamy/host
• Pennsylvania Game Commission Wildlife Fact Sheets http://www.portal.state.pa.us/portal/server.pt?open=514&objID=596812&mode=2 
• Natural Resources Conservation Service Backyard Conservation  http://www.nrcs.usda.gov 
• Doug Tallamy's Other Site http://bringingnaturehome.net/
• Pollinator Partnership http://pollinator.org/index.html  
• US Fish and Wildlife Service Pollinators site http://www.fws.gov/Pollinators/  

Eco-Friendly Pest Control

PennState Integrated Pest Managment Program paipm.cas.psu.edu
PennState Insect Fact Sheets ento.psu.edu/extension/factsheets/all-factsheets
EXTONET pesticide information profiles extoxnet.orst.edu
USDA Sustainable Agriculture  nal.usda.gov/afsic/pubs/agnic/susag.shtml

Green Landscaping

• USEPA Water-Smart Landscape Design Tips  www3.epa.gov/watersense/outdoor/landscaping_tips
• iConserve Pennsylvania iconservepa.org
• Sustainable Sites Initiative sustainablesites.org
• Rain gardens stormwaterpa.org/raingarden

• Pennsylvania DCNR dcnr.state.pa.us/forestry/plants/invasiveplants/
• USDA invasivespeciesinfo.gov/plants
• National Park Service "Weeds Gone Wild" nps.gov/plants/alien
• PSU extension.psu.edu/private-forests/tools-resources/publications/invasive-plants-and-insects 

Biodiversity, Climate Change, and the Global Environment

• Harvard Center for Health and the Global Environment http://chge.med.harvard.edu/index.html 
• World Health Organization who.int/globalchange/ecosystems/biodiversity/en/
• Sustaining Life: How Human Health Depends on Biodiversity http://vimeo.com/8808331 

• Tomato Varieties (Rutgers) http://njaes.rutgers.edu/tomato-varieties/
• Vegetable and Herb Gardening (Rutgers) http://njaes.rutgers.edu/pubs/subcategory.asp?cat=5&sub=42
• Insects in the Vegetable Garden (PSU) http://ento.psu.edu/extension/vegetables/fact-sheets
• International Foundation for Organic Agriculture http://www.ifoam.bio 
• Rutgers University Organic Land Care http://njaes.rutgers.edu/organiclandcare/index.html
• USDA Organic Culture: Crops and Gardening https://afsic.nal.usda.gov/organic-production/organic-culture-crops-and-gardening
• eOrganic Community of Practice https://afsic.nal.usda.gov/organic-production/organic-culture-crops-and-gardening
• eXtension Organic Agriculture http://www.extension.org/organic_production

• Behmerwald Nursery, Schwenksville, PA behmerwald.com  

Flower Gardening

• http://www.gardening.cornell.edu/homegardening/index.html 
• http://ohioline.osu.edu/lines/flwrs.html

• Forest Service Sylvics Manual  http://www.na.fs.fed.us/pubs/silvics_manual/table_of_contents.shtm
• Arbor Day Foundation http://www.arborday.org/
• Common Trees of Pennsylvania (DCNR) dcnr.state.pa.us/forestry/plants/commontrees
• Pennsylvania Forest Stewards Program extension.psu.edu/natural-resources/forests/private/stewardship/pennsylvania-forest-stewards

Soils