AHTA-Accredited Certificate Programs

The following programs have been accredited by AHTA. To apply to become an accredited certificate program, visit the Education page.

Chicago Botanic Garden - Horticultural Therapy Certificate Program

Information from program website: One year, 12 credit hour college-accredited certificate program through taught by staff of the Chicago Botanic Garden combines online learning with two clinical 4 day face to face sessions for hands-on training. Specifically designed to meet the needs of working professionals in compatible fields such as education, social work, rehabilitation, and psychology. The program includes application of theory, principles, assessment, goal setting, session planning, therapeutic garden design, and program development, allowing students to gain experience and skills in basic horticultural skills, understanding the theory and delivery methods unique to horticultural therapy. All course work is accredited through the Garden's partnership with Oakton Community College.

Main Contact:  Adult Education Department
Email:  [email protected]
Phone:  (847) 835-8293

Address: Adult Education Department
                Chicago Botanic Garden
                1000 Lake Cook Road
                Glencoe, IL 60022

Visit the website for more information.

Delaware Valley University - Horticultural Therapy Certificate Program

Information from program website: Horticultural Therapy Certificate Program, accredited by the American Horticultural Therapy Association, provides students with a hands-on opportunity to learn the knowledge and skills required to work in social, therapeutic and vocational horticultural settings. Students study the theory and history of horticultural therapy, and gain experience developing treatment plans and therapeutic activities for a variety of client populations, as well as how best to engage clients in therapeutic activities. Students will learn about designing facilities for special populations and getting started in establishing and managing a horticultural therapy practice. The certificate program starts every fall semester and can be completed in three consecutive semesters of part-time evening study.

Main Contact:  Nancy A. Minich, HTR, RLA, ASLA
Email:  [email protected]
Phone:  (215) 489-2293

Address:  Department of Landscape Architecture and Environmental Sciences
                 700 E. Butler Avenue
                 Doylestown, PA  18901

Visit the website for more information.

Horticultural Therapy Institute (HTI) - Horticultural Therapy Certificate Program

Information from program website: The HTI's Horticultural Therapy Certificate trains professionals in the core knowledge of horticultural therapy. Based in Denver, Colorado, the Institute has reached students from nearly every state in the U.S. and across the globe through an intensive format. Additionally, they have expanded to offer certificate courses in other parts of the U.S.

Unique course format:
  • Accommodates working adults and students
  • Requires minimal travel, with only four visits to the class site
  • Offers significant face to face instruction with interaction
  • Four or five-day class meetings combined with pre and post class assignments done at home
  • Provides opportunities to capitalize on the breadth of experience of students and instructors

Allows certificate completion in one year

Main contact: Christine Capra
Email: [email protected]
Phone:  (303) 388-0500

Address: P.O. Box 461186
                Denver, CO  80246

 Visit the website for more information.

New York Botanical Garden - Horticultural Therapy Certificate

Information from the program website: If you have a passion for plants and helping people, then pursue horticultural therapy and learn how to bring people and the natural environment together for healing purposes. Acquire the therapeutic skills and horticulture techniques needed to serve a broad population of people in need. Enroll in a single class or pursue a Horticultural Therapy Certificate.

Main contact: Adult Education Department
Email: [email protected]

Address: Adult Education Department
                The New York Botanical Garden
                Watson Building, Room 306
                2900 Southern Boulevard
                Bronx, NY  10458-5126

Visit the website for information. 

Portland Community College 

Degree offered: Therapeutic Horticulture Activity Specialist Certificate 

Contact information:
Jan Abushakrah, PhD
Gerontology Program Sylvania Campus SS1
Portland Community College
12000 SW 49th Avenue
Portland, OR  97219

Phone: (971) 722-4077

Email: [email protected]

Visit the website for more information.

Rutgers University - Horticultural Therapy Certificate

Information from program website: The Rutgers Horticultural therapy certificate program is designed to provide the knowledge behind the theory of the therapeutic relationship between plants and individuals, and the practice of using plants and plant-based activity to develop and address individualized rehabilitation goals. Students will learn about the functional limitations and implications of various developmental, psychiatric, sensory loss/impairment, and medical conditions of individuals served at various settings, and develop the communication skills essential to effective therapeutic work in goal setting, and evaluating progress towards goals with individuals served at these settings. Students enrolled in the Rutgers Horticultural Therapy certificate program will receive experiential learning through coursework activities, and will have the opportunity to complete internships at various agencies throughout the State of New Jersey.

A minor in Horticultural Therapy is also offered to SEBS and SAS matriculating students to explore Horticultural Therapy as a career option.

Main contact: Gary Altman, CRC, HTR
Email:  [email protected]
Phone: (848) 932-6321

Address:  Department of Plant Biology and Pathology
                 School of Environmental and Biological Sciences
                 Rutgers, The State University of New Jersey
                 59 Dudley Road
                 New Brunswick, NJ  08901-8520

Visit the website for more information.

Temple University – Horticultural Therapy Certificate Program

Information from program website: Through hands-on training, this certificate program introduces students to a variety of horticultural therapy skills, including HT programming, grant writing, budgeting, marketing, research, and interdisciplinary approaches to health care. A key component is learning to design therapeutic indoor and outdoor spaces that address universal design and support. Instruction in business planning for private HT contractual work is examined. 

The Horticultural Therapy Certificate Program prepares students for positions in the profession of horticultural therapy and is accredited by AHTA. The program can be completed in one year.

Main contact: Admissions – Temple University – Tyler School of Art
Email:  [email protected] 
Phone: (215) 777-9090

Address:  Temple University - Ambler Campus
                 Department of Landscape Architecture & Horticulture
                 580 Meetinghouse Road
                 Ambler, PA 19002 

Visit the website for more information.