Australian Institute of Horticulture Inc. (AIH) PO Box 2238 , Toowong , 4066 About Solutions industries Home Companies Australian Institute of Horticulture ... Locations Australian Institute of Horticulture Inc. (AIH) Show or hide locations in map Headquarters Office locations Locations served Distributors Manufacturer Australian Institute of Horticulture Inc. (AIH) Headquarters PO Box 2238 Toowong Queensland 4066 Phone/Fax Number