Welcome to the American Horticultural Therapy Association 

Established in 1973, the American Horticultural Therapy Association (AHTA) is 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. AHTA supports the professional development, education, and expertise of horticultural therapy practitioners. Individuals and organizations located across the US and beyond are members. We are 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. 

Learn More about Horticultural Therapy and AHTA  

Therapeutic Horticulture Practitioner (THP) 

The American Horticultural Therapy Association is pleased to announce a new professional credential – The Therapeutic Horticulture Practitioner, THP.

Beginning June 1, 2024, AHTA will begin accepting applications for this new credential. The THP is intended for practitioners who provide therapeutic horticulture services aligned with the AHTA definition:

  • The engagement of a participant in active or passive horticultural-related activities.
  • The participant has an identified disability, illness, or life circumstance requiring services.
  • The activity is facilitated by a registered horticultural therapist or other professional with training in horticulture.
  • The participation is in the context of the goals and mission of the organization.
Learn More

Nominations for AHTA Board of Directors Now Open

AHTA is a member driven organization, and we need those with a passion in our field to help AHTA grow into the next 50 years! We value your expertise in marketing, social media, sponsorship and partnership development, magazine editing, webinar development, membership growth, conference planning, and exam development. Help shape the future of AHTA and the future of the profession by volunteering! The nomination form to serve on the AHTA Board of Directors is open now through May 1, 2024.

Learn More & Nominate

2024 Annual Awards

AHTA is now accepting nominations for our 2024 Annual Awards. Please take time to consider those who are doing outstanding work in our field and submit a nomination for one of the following AHTA Annual Awards:

Rhea McCandliss Professional Service Award
Alice Burlingame Humanitarian Service Award
John Walker Community Service Award
Ann Lane Mavromatis Scholarship
AHTA Therapeutic Garden Design Award

Nominations will be accepted until May 1, 2024!

Submit Nominations

Horticultural Therapist-Registered (HTR) Directory

We are proud to launch our new public search feature that allows companies or the general public to search for HTRs near them. The public search can simplify the process and make finding HTRs more accessible. Benefits may include: consult work for HTRs, job opportunities, being apart of communities, availability to present on horticultural therapy, and share on the profession!

Locate an HTR

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!

Join Today

Job Task Analysis 2022

AHTA completed the 2022 Job Task Analysis, meeting the standards of today’s profession of horticultural therapy. 

View Analysis

Want to receive AHTA emails? 

Sign up today to receive AHTA emails. If you are interested in becoming a member, being on our email list is a great way to learn more about the AHTA. We send important updates, like our monthly newsletter and more! 

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 Support AHTA

Your generous support makes it possible for our organization to grow and thrive. Your contributions will help keep us going, including helping with the expenses of our annual conference, increasing our ability to work toward credentialing, offsetting the cost of our journal and other outreach publications, and connecting to colleges and universities, facilities, prisons, hospitals, and agencies that support the profession of horticultural therapy.

Donate Today