AHTA Horticultural Therapy Certificate Programs Course Schedules

This calendar schedule of courses is intended to provide the reader a quick and easy glance of the classes being offered by AHTA approved certificate programs. Each listing includes the name of the program, contact information, dates and names of courses being offered. For more detailed information such as locations, times, registration process, etc., please use the contact information listed for each program.

Program & Contact Course Dates and Names

Rutgers, The State University of New Jersey

Main Contact:
Gary L. Altman, MS, CRC, HTR
[email protected]


11:776:432 People-Plant Relationships - Every fall semester - hybrid course 

11:776:225 Introduction to Horticultural Therapy - Every spring semester - online course 

11:776:325 Horticultural Therapy Techniques and Programming - Every spring semester - online course 

11:776:475 Internship in Horticultural Therapy - Every summer semester - Hybrid or in person course

Horticultural Therapy Institute

Main Contact:
Christine Capra, 
Program Manager
[email protected]

Spring & Summer 2020 : online; Fall 2020: Face-to-Face

Fundamentals of HT
October 29-Nov 1, 2020, Denver, CO 
November 12-15, 2020, Half Moon Bay, CA
December 3-6, 2020, Los Angeles, CA 

Horticultural Therapy Programming (on-line)
May 28-31, 2020, (prerequisites required) 

Horticultural Therapy Management
Sept. 9-13, 2020, Fort Collins, Colorado (prerequisites required) 

Horticultural Therapy Management
Sept. 30-Oct. 4, 2020, Wilmington, North Carolina, (prerequisites required)

Portland Community College

Main Contact:
Jan Abushakrah, PhD.
[email protected]


Summer 2020 -Spring 2021, Online & remote classes

Summer Term 2020
GRN267: Professional Therapeutic Horticulture (3 credits)
Online: June 22 – Aug 23 / Prescheduled Remote Meetings: Fri/Sat: July 10/11 & 24/25 

Fall Term 2020 (must co-enroll in GRN268 & GRN269)
GRN268: Therapeutic Horticulture Strategies (2 credits)|
Online: Sept 21 – Nov 1 / Prescheduled Remote Meetings: Fri/Sat: Oct 9/10 

GRN269: Therapeutic Horticulture Skills I (2 credits)|
Online: Nov 2 – Dec 13 / Prescheduled Remote meetings: Fri/Sat: Dec 4/5

Winter Term 2021 (must co-enroll in GRN270 & GRN271)
GRN270: Therapeutic Horticulture Programming (2 credits)
Online: Jan 4 – Feb 10 / Prescheduled Remote Meetings: Fri/Sat: Jan 22/23 

GRN271: Therapeutic Horticulture Skills II (2 credits)
Online: Feb 11 – March 21 / Prescheduled Remote Meetings: Fri/Sat: Feb 26/27

Spring Term 2021 

GRN272: Therapeutic Gardens (3 credits)
Online: March 29 – June 13 / Prescheduled Remote Meetings: Sat: Apr 10, May 8, June 5 

New York Botanical Garden

Main Contact:
Phyllis D'Amico, HTM
[email protected]


Currently scheduled classes have been cancelled due to Covid 19. Please check the website for updates.

Temple University

Main Contact:
Peg Schofield, HTR
[email protected]




University of Florida

Main Contact:
Elizabeth (Leah) Diehl, RLA, HTM
[email protected]  

Course times are 9:00 am to 2:00 pm at Temple University - Ambler Campus

Introduction to HT
Saturdays, Sept. 5 to Oct.24. 

HT Skills
Saturdays, Oct. 31 to Dec. 12 

HT Program Management
Saturdays, Jan. 16, 2021 to Feb. 27, 2021.

University of Florida will be starting its second cohort of HT students this fall 2020 semester.
The two courses we are offering this fall are: 

PLS 3080 Introduction to Horticultural Therapy

PLS 4082 Program Management in Horticultural Therapy (pre-req is PLS 3080)

The fall semester is scheduled to start Aug. 24th

Delaware Valley University

Main Contact:
Nancy A. Minich, HTR, RLA, ASLA
[email protected]

Cohort 1

Fall 2 (Oct 15-Nov 17) Thursday 06:00PM - 10:15PM/ Tuesday online (time TBA)
LAES 3237 Introduction to Horticultural Therapy

Spring 1 (Jan 19-March 19) Thursday 06:00PM - 10:15PM/ Tuesday online (time TBA)
LAES3251 Horticultural Therapy Techniques and Practices

Spring 2 (Mar 22 – May 12) Thursday 06:00PM - 10:15PM/ Tuesday online (time TBA)
LAES3365 Horticultural Therapy Management

Cohort 2
Summer 1 - LAES 3237 Introduction to Horticultural Therapy
Summer 2 - LAES3251 Horticultural Therapy Techniques and Practices
Fall 1 - LAES3365 Horticultural Therapy Management