The land and farm buildings of the RTA plant reserve site have been purchased with the help of two donors and horticulturalists in the USA who prefer to remain a anonymous.

Sara Levene of the Wolfson Foundation has pledged 20,000 pounds for fencing, seed bank equipment and other necessities.

The Natural Medicine Unit of Hadassah Hospital of Jerusalem has aided in the collection of rare and endangered species and the testing of material medica.

The RTA was aided by the local UJA chapter in trash removal and land reclamation around the abandoned farm site.