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Substrate Science

The physics, chemistry, and biology of growing media. Soil mixes, potting substrates, mineral amendments, drainage, aeration, water retention, and the hidden mechanisms that determine plant performance.

Native Plants

+4

Stop Bagging Your Leaves: The Case for Homemade Shredded-Leaf Mulch

Jun 17, 2026

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5 min read

Stop Bagging Your Leaves: The Case for Homemade Shredded-Leaf Mulch

Your yard already makes a better mulch than the garden center sells. You're paying to haul it away.

J.S. Peterson
J.S. Peterson

Substrate science for the home grower, by J.S. Peterson.

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