Using Compost and Worm Castings to Build Healthy Soil

Herb garden after applying compost and worm castings beneath a layer of mulch

Today was a productive soil-building day at the new Delta Worms property in Oakley. We are using compost and worm castings to begin restoring two areas: the front lawn and Robin’s new herb garden. The landscaping here has been neglected, and our sandy soil dries quickly in the summer heat. Rather than reaching first for…

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Garden Mulch: One Thing Every Great Garden Has in Common

Cherry blossoms framing the Washington Monument during spring bloom in Washington, D.C.

Garden Mulch: Four Famous Gardens One Common Secret. Garden mulch is one thing every great garden has in common. This year I visited several famous gardens—including the U.S. Capitol Rose Garden, Hearst Castle, and the Ronald Reagan Presidential Library—and every one of them used generous layers of mulch. Each garden is unique. Some receive plenty of…

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Three-Stage Home Composting System: From Kitchen Scraps to Living Soil

Diagram showing a three-stage home composting system with Bokashi fermentation, hot composting in a tumbler, and a compost curing pile to produce finished compost for healthy soil.

A three-stage home composting system produces more stable, biologically active compost while making better use of kitchen scraps and yard waste. Many gardeners believe compost is finished once it leaves the tumbler. In reality, compost continues maturing long after the active heating phase has ended. Each stage performs a different biological function, and together they create…

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How to Improve Soil Naturally: 8 Proven Ways to Build Healthy Garden Soil

Healthy garden soil improved with organic mulch supporting vibrant roses, flowers, and shrubs.

By Delta Worms Healthy soil is the foundation of every successful garden. Whether you’re growing vegetables, flowers, fruit trees, or houseplants, improving your soil naturally can lead to stronger plants, higher yields, better water retention, and fewer pest problems. Many gardeners focus on feeding their plants, but experienced growers know the secret is feeding the…

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Worm Castings vs Compost: Differences, Benefits & Uses

Many gardeners hear about both worm castings and compost as ways to improve soil health, but they often wonder whether one is better than the other. While both are excellent organic soil amendments, they serve different purposes and provide unique benefits. Understanding the differences between worm castings and compost can help you choose the right…

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