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The Dark Side of Coco Coir: What Gardeners Need to Know

Author
Callie Works-Leary
Published
Fri 11 Apr 2025
Episode Link
https://learn.thedallasgarden.com/podcasts/the-dallas-garden-school/episodes/2149011299

Coco coir is everywhere these days—from seed-starting kits to trendy potting mixes. It's often hailed as a sustainable alternative to peat moss, but is it really as eco-friendly and effective as it sounds?


In this episode, North Texas gardening expert and educator Callie Works-Leary breaks down what coco coir actually is, why it’s become so popular, and the major drawbacks you need to know before using it in your garden. From hidden sustainability concerns to nutrient imbalances and overwatering risks, we’re digging into the dirty truth about this common soil ingredient.


Whether you're starting seeds, mixing your own potting soil, or building healthy raised beds, this episode will help you make an informed choice—and avoid some common pitfalls.


What You’ll Learn:


- What coco coir is and how it’s made


- The surprising environmental impact behind its production


- Why poorly processed coir can sabotage your plants


Links & Resources:


🌱 Learn more or sign up for classes at: www.thedallasgarden.com


Find products mentioned in this episode: https://www.amazon.com/shop/thedallasgardenschool_


Connect with Callie: Instagram: @thedallasgardenschool

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