join / renew now!

Select the membership type that is appropriate for you and join now. Full and Student applications will be reviewed by the membership committee. A membership certificate will be sent to you when approved. THA membership is for 12 months and auto-renews annually until you cancel. Contact us for further information.

Student membership


/ Per year


  • – Free or discounted + webinars
  • – Free or discounted events
  • – Discounted annual conference registration
  • – Networking opportunities

Students must be enrolled in and provide evidence of, a course relevant to therapeutic horticulture.

Associate Membership


/ Per year


As per Student Membership benefits PLUS:

  • – Opportunity to contribute via sub-committees of the National Council


Full Membership


/ Per year


As per Associate Membership benefits PLUS:

  • – THA recognition as a qualified therapeutic horticulture practitioner or researcher
  • – Inclusion in membership directory
  • – AGM voting rights
  • – Opportunity to contribute on the THA National committee
  • – Use of the THA Logo

To be eligible for full membership you must meet one of the following criteria. You will be asked to upload supporting evidence as part of the application.

Level A:

Dual Qualifications* held in Horticulture and Allied Health/Social Services (*minimum AQF level 3)

Level B: 

A Qualification* held in either Horticulture OR Allied Health/Social services PLUS evidence of 120 hours of validated therapeutic horticulture work experience (*minimum AQF level 3)

Level C: 

Therapeutic Horticulture experience supported by 400 hours of validated evidence

Please refer to the FAQ’s for answers to the type of evidence that would be acceptable.

Our commitment to members


We enhance the capacity of communities, organisations and individuals to support people to experience full and meaningful lives through engagement in therapeutic horticulture. We welcome members from all walks of life who share our vision and mission


We endorse, support, facilitate and deliver evidence-informed, ethical, horticultural-based activities that impact positively on human health and wellbeing. We provide advocacy, training, recognition and a forum to share knowledge, ideas and action.


We reflect an understanding of human needs and capacity, by supporting practice focused to ease suffering, enhance wellbeing, capacity and outcomes.


We operate in a transparent manner, practicing good governance, responsible financial management and progressive sector development.

Caring cultivation

We promote the benefits for human health and wellbeing through the cultivation of plants, and support positive impacts from horticulture on the health of the planet.

Foundational GOLD Sponsors

Powered By MemberPress WooCommerce Plus Integration