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Garden & Soil

10 articles · Raised bed soil, composting, planting guides

Building a thriving, frugal organic garden starts from the ground up, literally. Aligned with USDA NRCS soil taxonomy parameters, our Raised Bed Soil Calculator helps you estimate precise bulk volume soil displacement, ensuring your organic beds maintain the perfect porosity, drainage, and cost-efficiency.

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Start Here — Follow the Intent Flow

Step 1 — Build the Frame

How to Build a Raised Garden Bed

Step-by-step from material list to finished frame — cedar vs pine vs pressure-treated, why depth matters, and the cardboard bottom trick.

Step 2 — Free Inputs

How to Compost at Home

Turn kitchen scraps and yard waste into free compost — the most expensive ingredient in Mel's Mix. Hot vs cold methods, best bin types, and when it's ready.

Step 3 — What Goes In

Best Soil Mix for Raised Beds: Mel's Mix & Budget Alternatives

The 1/3-1/3-1/3 formula explained, why garden soil fails in raised beds, peat vs coco coir pH difference, and cost breakdown per bed.

Step 3.5 — Ratio Math

Raised Bed Soil Mix Ratio: 3 Proven Recipes by Volume

Three specific ratio recipes for different conditions — all-purpose 40/40/20, high-drainage, and nutrient-rich — plus exact volume math per bed size.

Step 4 — How Deep to Build

Raised Bed Depth Guide: How Deep Does Your Soil Really Need to Be?

Depth chart for 30+ vegetables, 6 vs 12 vs 18 inch beds compared, hugelkultur for cutting deep-bed costs, and special rules for beds on concrete.

Pro Tip — Save 60% on Soil

Hugelkultur: The "Log Method" for Deep Beds

Don't fill an 18-inch bed with expensive soil. Use rotting wood and organic debris to build a self-fertilizing base that lasts for years.

Understanding Amendments

Compost vs Fertilizer vs Topsoil

What each one actually does, when to add it, and why skipping compost is the most common raised bed mistake — not buying fertilizer.

Foundation Read

Stop Buying Dirt for Raised Beds

Why bagged "garden soil" is the wrong product, the Mel's Mix ratio, and cheaper alternatives that perform just as well.

Step 5 — Budget the Fill

How Much Does It Cost to Fill a Raised Bed?

The cost math for compost, coir, vermiculite, bulk soil, and filler layers before you start buying bags.

Put It All Together

What to Plant in Raised Beds Your First Year

Which vegetables produce the most value per square foot for first-year gardeners — now that the soil is right.

Free Calculator

🌱 Raised Bed Soil Calculator

Enter your bed dimensions and get exact cubic footage for each component — compost, coco coir, vermiculite — before you buy a single bag.

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