| The Connecticut Agricultural Experiment Station | http://www.ct.gov/caes/site/default.asp |
| The Connecticut Chapter of the American Society of Landscape Architects ASLA | http://www.ctasla.org/ |
| Connecticut Association of Wetland Scientists (CAWS) | http://www.ctwetlands.org/ |
| Connecticut Botanical Society | http://www.ct-botanical-society.org/ |
| Connecticut College Arboretum | http://www.conncoll.edu/the-arboretum/ |
| Connecticut Department of Energy & Environmental Protection | http://www.ct.gov/deep/site/default.asp |
| Connecticut Environmental Review Team (ERT) | http://www.ctert.org/ |
| Connecticut Envirothon | http://www.ctenvirothon.org |
| Connecticut Forest & Park Association | http://www.ctwoodlands.org/ |
| Connecticut Greenhouse Growers Association (CGGA) | http://www.flowersplantsinct.com/cgga_index.htm |
| Connecticut Master Gardener Association (CMGA) | http://www.ctmga.org/ |
| Connecticut Nursery and Landscape Association (CNLA) | http://www.cnla.biz |
| Connecticut River Coastal Conservation District | http://conservect.org/Default.aspx?alias=conservect.org/ctrivercoastal |
| Connecticut Urban Forestry Council | http://cturbanforestcouncil.org/ |
| Eastern Connecticut Conservation District | http://www.conservect.org/eastern/EasternDistrict/tabid/117/Default.aspx |
| Eastern Resource Conservation & Development Area | http://easternrcd-ct.org/ |
| Experiment Station Associates | https://www.facebook.com/ExperimentStationAssociates |
| Farmington River Watershed Association | http://frwa.org/ |
| Federated Garden Clubs of Connecticut, Inc. | http://www.ctgardenclubs.org/ |
| Friends of Goodwin Forest | http://www.friendsofgoodwinforest.org/ |
| Mad Gardeners, Inc. | http://www.madgardeners.org/ |
| The Nature Conservancy, Connecticut Chapter | |
| Naugatuck Valley Community College, Horticulture Program | http://www.nv.edu/Credit/Horticulture |
| North Central Conservation District | http://conservect.org/Default.aspx?alias=conservect.org/northcentral |
| Northeast Organic Farming Association Organic Land Care Program (NOFA OLC) | http://organiclandcare.net/ |
| Northwest Conservation District | http://conservect.org/Default.aspx?alias=conservect.org/northwest |
| Silvio O. Conte National Fish & Wildlife Refuge | http://www.fws.gov/r5soc/ |
| Southwest Conservation District | http://conservect.org/Default.aspx?alias=conservect.org/southwest |
| UConn | |
| College of Agriculture, Health and Natural Resources | http://www.cag.uconn.edu/canr |
| –Department of Extension | http://www.extension.uconn.edu |
| –Department of Natural Resources and the Environment | http://www.nrme.uconn.edu |
| –Department of Plant Science and Landscape Architecture | http://www.plantscience.uconn.edu/ |
| –Home and Garden Education Center | http://www.ladybug.uconn.edu |
| –UConn Master Gardener Program | http://mastergardener.uconn.edu/ |
| Department of Ecology and Evolutionary Biology | |
| USDA Natural Resources Conservation Service | http://www.nrcs.usda.gov/wps/portal/nrcs/site/ct/home/ |
| USDA-APHIS-PPQ | http://www.aphis.usda.gov/wps/portal/aphis/ourfocus/planthealth |