Gro-Bark

Gro-Bark is one of Ontario's major horticultural supply companies. We are a progressive, high quality producer of bulk organic landscape materials.

Starting in 1980, Jim McKague began producing composted pine mulch (CPM®) from the aged bark piles that belonged to sawmills in the Ottawa Valley. In the late 1980s, son Bill McKague took over the company and added shredded pine mulch (SPM®) to the product line. Like the vast majority of Gro-Bark's current product offering, SPM® is produced using purchased sawmill bark from many mills in Southern  ...