Since we began in 1976, we have built our business by being on the cutting edge of what gets the best results. Dedicated to scientifically proven methods, we are continually educating ourselves in order to provide the most effective solutions to you.
1976
Dutch elm disease devastates the Twin Cities’ urban forest. Rainbow ElmCare begins to successfully protect trees via fungicide injections.
1986
Rainbow Treecare incorporated. Begins offering pruning, removals, and stump grinding.
1987
Rainbow begins to revolutionize the tree industry with novel innovations for the care and maintenance of urban trees.
1997
Rainbow Lawncare begins to offer environmentally-friendly turf care services including weed control, fertilizing, and later, hydroseeding.
1998
Seeing a need for research-backed protocols, Rainbow Treecare Scientific Advancements formed to develop and distribute PHC tools.
2004
Cambistat® TGR introduced and becomes the first of dozens of product introductions from RTSA to the arborist and landscape market.
2005
To bring science & integrity to structural pest control, Rainbow Pest Experts forms in MN. Focuses on invading insects & mouse control.
2014
Growth Solutions LLC begins to bring professionally applied TGR services directly to the electric utility market across the United States.
2016
Rainbow expands internationally, forming Arbor Scientific to bring TGR technology to energy providers in Australia.
2021
In May of 2021, Rainbow Companies completed a transaction to become a 100% employee-owned company.
2021
VerdeCare, a new division that combines a deep understanding of the utility vegetation industry with innovative ecological thinking, was launched in July 2021.
2022
Quantum Tree Injector launched in 2022, a novel tool for protecting trees developed by Rainbow Ecoscience.