- Galveston: “Gulf Coast Gardening”
- Gillespie: (Hill Country): “Of Leaf & Limb”
- Gonzales
- Grayson
- Gregg
- Grimes: “Grimes County Master Gardeners”
- Guadalupe: “Guadalupe Gardener”
- Hamilton
- Hardin
- Harris: “Urban Dirt”
- Harrison
- Hays
- Henderson: “Inside Dirt”
- Highland Lakes (Burnet County)
- Hidalgo: (Deep South)
- Hill
- Hill Country: (Bandera, Gillespie, Kendall, and Kerr Counties): “Of Leaf & Limb”
- Hood (Lake Granbury)
- Hopkins
- Hunt