AHTA's the national authority of horticultural therapy through professional development, evidence-based education, and a connected practitioner network.
Promoting and advancing the profession of horticultural therapy as a therapeutic and rehabilitative modality.
OUR MISSION | SINCE 1973
Membership at AHTA
Join the largest and oldest association exclusively for the horticultural therapy profession and unlock these exclusive benefits:
- Contribute to our mission to educate the public about horticultural therapy.
- Ensure greater awareness and universal access to therapeutic gardening.
- Stay informed with the latest industry news and research.
- Access premier educational resources and high-level networking opportunities.
A Community of Experts
More than half (53%) of our members hold a Master’s degree or higher, reflecting the deep academic and clinical expertise within our profession.
Committed to Excellence
59% of members from our annual survey have completed an AHTA Accredited Certificate Program, demonstrating a unified commitment to rigorous professional standards.
The Future of Certification
The momentum is clear: 85% of our community supports ongoing efforts toward future credentialing, ensuring our profession continues to evolve and gain recognition.
Education & Resources
Defining Excellence with HT-BC
The launch of the Horticultural Therapist Board Certified (HT-BC) credential marks a pivotal step in elevating our profession. Developed alongside psychometric experts, this certification sets a new gold standard for excellence, validating the real-world competence of practitioners. By establishing a unified national benchmark for knowledge and ethics, the HT-BC ensures our field continues to gain the professional recognition and credibility it deserves.
Master the Fundamentals
AHTA-accredited certificate programs are the essential building blocks for a career in horticultural therapy. These college-level offerings meet rigorous, nationally endorsed standards, providing nine semester credits towards AHTA credentials credentials. By blending evidence-based theory with hands-on application, these programs ensure you are prepared to serve diverse populations with clinical precision and therapeutic intent.
Connect with Registered Experts
The HTR Directory serves as a vital bridge between qualified practitioners and the communities they serve. This public-facing registry highlights horticultural therapists who have met rigorous professional registration standards, ensuring high-quality, evidence-based care. Whether you are a healthcare provider seeking a consultant or a practitioner looking to verify your standing, this directory is the definitive resource for identifying excellence in the field.
Advance Your Practice in San Francisco at the AHTA Annual Conference
Join us in San Francisco, October 15–18, for a high-impact gathering of the brightest minds in horticultural therapy. Our annual conference is a rigorous exploration of the research and clinical evidence-based practices advancing our field. From immersive garden tours to collaborative sessions designed to solve modern practice challenges, you will leave with the insights needed to deepen your impact and elevate the standard of care.
Amplify Your Impact through Strategic Sponsorship
By supporting our mission, you gain direct access to a highly educated, specialized network of practitioners and decision-makers dedicated to advancing human wellness through nature. Our year-round sponsorship opportunities are designed to elevate your brand’s visibility while fostering the growth of evidence-based practice across the industry.
The Growing Impact campaign champions the therapeutic power of nature to support youth emotional well-being and development. Your contribution fuels the advocacy and plant-rich spaces needed to foster focus, resilience, and belonging for our youth nationwide.
Insights for the Modern Practitioner
Join our email list to receive the latest clinical research, board certification updates, and professional development opportunities delivered directly to your inbox.