- Brentwood Garden Club [FGC]
- Gray/Campbell Farmstead Association
- Greater Ozarks Audubon Society
- Greater Ozarks Hosta Society
- Hillbilly Gardeners Garden Club [FGC]
- Iris Society of the Ozarks
- Master Gardeners of Greene County
- Missouri Master Naturalists – Springfield Plateau Chapter
- Missouri Native Plant Society
- Missouri Prairie Foundation
- Ozark Daylily Society
- Ozark Garden Railway Society
- Ozark Greenways
- Ozarks Regional Lily Society
- Pink Dogwood Garden Club
- Rose Society of the Ozarks
- Springfield Area Herb Society
- Springfield-Greene County Park Board
- Springfield Host Lions Club
- Springfield Orchid Society
- Springfield Public Works
- Springfield Sister Cities Association
- University of Missouri Extension