The mulch aisle at the garden center has a way of making ordinary tree debris look like a luxury product. Meanwhile, the leaves scattered across your lawn and the pile of small branches near the shed may already provide much of what those bags promise: moisture retention, weed suppression, temperature moderation, and organic matter for the soil.
Every random pile of yard waste does not belong around a prized rose bush. But beginning gardeners need to know which materials make good mulch, how to prepare them, and where to put them. Once that system clicks, the annual ritual of buying bag after bag of brown stuff can start looking a lot less necessary.
