News Alert: The application for Heartwood’s 2026 TMN Training Class will open in the fall of 2025.
Application and Resources
The Heartwood Chapter Master Naturalist (HMN) training program is offered ONCE annually. The 2025 training session began in early January and will run until mid-June, offering 57 hours of initial training sessions, with a minimum of 40 required hours. Training offers a mix of live and online classes. In-person classes are typically held on Saturday mornings at various locations, mostly within Montgomery and Walker counties. In addition, a few online classes will be offered on weekday evenings. Class size is limited and classes typically fill early in the application process.
Before applying, please review the TMN Code of Ethics and Standards o f Conduct. All applicants will be subject to a background check. Applicants will be notified of their acceptance and will be confirmed into the 2026 training class only upon payment of the class fee.
Details for the 2025 Training Class:
- Class fee $175.
- Per State standards, Trainees accepted into the program are required to attend a minimum of 40 hours of the initial training through classes and site visits to graduate; to certify as a Texas Master Naturalist an additional 40 hours of volunteer work and 8 hours of advanced training is required. Upon completion and to maintain active membership, you must pay annual dues and continue your volunteer work and education.
After initial certification, the annual requirements for recertification are 40 hours of volunteer service and 8 hours of advanced training. Heartwood provides approximately one hour of advanced training at each monthly chapter meeting so that members can easily meet their advanced training requirements by attendance. For more information about Heartwood’s training series, contact the New Class Director at heartwoodtraining@gmail.com.
Useful links for Prospective Members:
2024 Heartwood Training Schedule (representative of the training to be offered; the 2025 schedule will be posted when finalized)
State Texas Master Naturalist Program Overview (PowerPoint)