This is a must listen for anybody dealing with difficult soils: Mark's journey establishing a new garden in the "claybelt" of Markham, ON

Green File Episode 33: David Harvey of Park People

Mark Cullen, Canada's Gardening Guru, and son Ben Cullen, millennial-gardener and Founder of Cullen's Foods, discuss a range of gardening, food and environment related subjects to inform & inspire you to get your hands dirty. 

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