Forrest Keeling's RPM (Root Production Method) has been successfully applied to over 250 species (trees, shrubs, grasses & perennials).

Forrest Keeling's RPM (Root Production Method) has been successfully applied to over 250 species (trees, shrubs, grasses & perennials).

RPM Process

All natural process to develop robust root systems.

The RPM technology develops a denser, more fibrous root mass that enables trees to take up essential elements, sustain faster growth, and higher survivability rates than bareroot (BR) trees.  Scientific analysis confirms RPM trees' significant superiority over  BR trees with respect to biomass, carbon sequestration,hard mast, and fruit production. It is a patented process, the results of which have been under analytical review and scientific evaluation for the past four years. 

Care and considerable effort is given to operating procedures and detailed specifications. Continual R&D is conducted to evaluate both performance and application to new species.