Welcome to the American Horticultural Therapy Association
The American Horticultural Therapy Association (AHTA) is the national authority advancing horticultural therapy through professional standards, the HT-BC certification, evidence-based education, and a connected practitioner community.
Professional Home for Horticultural Therapy
The American Horticultural Therapy Association (AHTA) is a 501(c)(3) nonprofit membership-driven organization with the mission to promote and advance the profession of horticultural therapy as a therapeutic and rehabilitative modality. We are the only national US organization advocating for the development of the horticultural therapy profession and the practice of horticulture as therapy for human well-being.
Be a Part of Our Community
Joining AHTA keeps you education on the latest in horticultural therapy approaches and gives you access to monthly educational and networking opportunities.
AHTA has big plans for 2026.
Two exciting things coming up this fall...
Board Certification Exam
HT-BC Certification Raises the Standard.
Launching in Fall 2026, the HT-BC credential sets the gold standard for excellence in horticultural therapy. Developed in partnership with psychometric experts and grounded in comprehensive Job Task Analysis, this certification validates real-world competence and elevates professional credibility across the field.
2026 AHTA Annual Conference
Save the Date for an In-Person Conference
Join us at the annual conference in San Francisco for educational sessions, garden tours, hands-on workshops, keynote addresses, and interactive events.
Supporting the Future
Sponsors receive special recognition throughout the Growing Impact Campaign. Becoming a sponsor means you’re making important contributions to youth education and development nationwide.
2026 Annual Conference Sponsorship
AHTA’s flagship professional gathering offering continuing education credits, immersive learning, plant-based engagement showcases, and national visibility with healthcare leaders and professionals nationwide.
Growing Impact: Youth Wellness Campaign
Sponsors receive recognition throughout the 2026 ‘Growing Impact’ Campaign, while making an important contribution nationwide to advancing youth wellness through horticulture.
AHTA Membership
Make a difference and help advance the profession of horticultural therapy by joining AHTA. Your membership will help support our mission to educate others about horticultural therapy, ensuring greater public awareness and access. Membership keeps you informed about the latest horticultural therapy news, gives you access to outstanding educational and networking opportunities, and more!
Credentials
Be recognized in the profession of horticultural therapy with AHTA’s professional credentials: Horticultural Therapist–Board Certified (HT-BC), Horticultural Therapist Registered (HTR), and Therapeutic Horticulture Practitioner (THP). These credentials elevate your professional standing, align you with allied professions, and demonstrate your commitment to the highest standards of practice.
Education
AHTA’s Accredited Certificate Programs are college-level educational offerings that provide nine semester credits toward AHTA credentials. Accredited programs meet nationally endorsed standards for professional practice. These programs prepare students to serve diverse populations using evidence-based HT practices through a balance of theory and hands-on application.
