Cannabis Cultivation and Science Podcast · Tad Hussey

Foundations Series #4: What's Your Garden Missing? Cracking the Code of Applied Horticulture with Don Marshall

·1 hr 10 min·7 clips
Don Marshall explains that overwatering a plant doesn't suffocate it—it actually causes drought stress by killing the microscopic root hairs.
Host Tad Hussey interviews retired horticulture professor Don Marshall about foundational plant science concepts for growers. They dive deep into root hair function, plant diagnostics, common cultivation mistakes, and the importance of understanding the 'why' behind plant physiology rather than just following recipes.

As heard by us

A practical case for transplanting and for treating plant botany as a working tool.

This episode treats good gardening as a matter of reading the plant instead of trusting instinct alone. The host keeps coming back to plant botany as a practical tool for spotting limiting factors, thinking through air and water relationships, and making better decisions in the…

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Press play if you want a practical lesson on why transplants matter.

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