From the beginning, became involved in the process, managers of several public and private sites, landscape designers, curators and specialists of gardens, artists and entertainers. The network is also supported by the several following associations:
- The Committee of parks and gardens in France (CPJF)
Address: 168 rue de Grenelle 75007 Paris
Website: www.parcsetjardins.fr
- "Vieilles Maisons Françaises" (VMF)
Address: 93 rue de l'Université 75007 Paris
Phone: +33.1.40.62.61.71
Website: www.vmfpatrimoine.org
- "La Demeure Historique" (DH)
Address: 57 Quai de la Tournelle 75005 Paris
Phone: +33.1.55.42.60.00
Website: www.demeure-historique.org
- The European Boxwood and Topiary Society (EBTS France)
Address: E.B.T.S France 62520 Le Touquet Paris Plage
Website: www.ebtsfrance.free.fr
- "Fédération Patrimoine-Environement"
Address: 20 rue du Borrégo 75020 Paris
Phone: +33.1.42.67.84.00
Website: www.associations-patrimoine.org
- "Fondation des Parcs et Jardins de France
Address: 168 rue de Grenelle 75007 Paris
Phone: +33.1.53.85.40.47
Website: www.fondationparcsetjardins.com
- Hortesia
Address: 31 rue Rouget de l'Isle 94100 Saint-Maur-des-Fossés
Phone: +33.6.80.36.00.73
Email: jacques.hennequin@wanadoo.fr
- "Les Amis du paysage français"
Address: 22 rue de la Croix du Val 92190 Melun
Phone: +33.6.50.32.25.42
Website: www.paysagefrancais.fr
- The Forest Festival of Compiègne
Address : 6 promenade St Pierre des Minimes 60200 Compiègne
Phone : +33.3.44.40.28.99
Website : www.festivaldesforets.fr
- Festival « La Scène au Jardin »
Address : 17 rue de la Faisanderie 60500 Chantilly
Phone : +33.6.60.74.59.46
Website : www.lasceneaujardin.com
- Les Tréteaux de France
Address : 153 avenue de Jean Lolive 93500 Pantin
Phone : +33.1.55.89.12.50
Website : www.treteauxdefrance.com
- The theater company "A mots découverts"
Address : 11 rue du Génie 94400 Vitry-sur-Seine / 36 rue de l’Ermitage 75020 Paris
Website : www.amotsdecouverts.fr
- The network has established a partnership with the Association of "Ecrivains Associés du Théâtre" in order to promote the Green Open Air Theater Award supported by "Debauve and Gallais" the famous chocolates.