Past Grant Recipient’s Projects

J. Arthur Trudeau Center planting project awarded to Sally Gruber, HTR

Seven Hills ASPIRE awarded to Gail Hamm

Featured Links

American Horticultural Therapy Association

The American Horticultural Therapy Association is the only US national organization committed to promoting and developing the practice of horticultural therapy as a unique and dynamic human service modality. The association advocates on behalf of the professional interests of horticultural therapy practitioners and strives to increase beneficial outcomes for participants, host facilities, researchers, and educators. AHTA defines and encourages the pursuit of  outstanding standards of practice, disseminates critical knowledge across diverse constituent audiences, and recognizes and promotes excellence in clinical, professional, educational, and research achievement.

For more information go to, email [email protected]

Horticultural Therapy Institute

At the non-profit Horticultural Therapy Institute, students gain the skills and confidence to create and manage successful horticultural therapy programs, and are inspired to become leaders in the practice and profession of horticultural therapy. Our experienced instructors are dedicated to teaching best practices with passion and excellence, keeping an eye on the changing needs of programs, people and places.

We offer:

  • Professional training that prepares you to combine your passion for gardening with a desire to improve the lives of others
  • A certificate in horticultural therapy (HT)
  • Courses in HT for adult and traditional students
  • Experienced instructors who love to teach and are leaders in the profession
  • Staff who care about and can help guide your career
  • Face-to-face instruction that builds your professional network
  • College credit from Colorado State University
  • A concentrated course of study that can lead towards a credential in HT from the American Horticultural Therapy Association
  • A discourse with others who recognize the benefits of connecting people and plants
  • A curriculum that effectively trains students from varied educational and professional backgrounds
Click Here for Leaders in Horticultural Therapy Education Flyer

For more information go to, email [email protected] or call 303-388-0500.