Florida Gardening 101 – Soil Prep

One of the most important elements of a successful garden is soil, and today we will talk about how you can prepare your soil for your vegetable garden.

What exactly is soil?

It’s a mix of inorganic materials like sand and rock, blended with organic matter such as decomposed plants and microorganisms. This mix creates the perfect growing environment for plants to thrive. But in Florida, we face the challenges of sandy soil.

How do we grow in sandy soil?

Sandy soil drains quickly and is not great at retaining either water or nutrients. That’s where organic matter comes in. Adding compost, wood chips, worm castings, or even composted manure helps improve the soil to hold moisture and nutrients. All of these materials are high in organic matter, which is full of carbon, that helps hold on to water and nutrients in the soil.

How much soil do we need?

When preparing a garden bed, it is essential to calculate how much soil you need. All that is required is to multiply your garden length and width, then multiply that by how many feet of soil you want. For example, an 8 foot by 4 foot bed filled to 6 inches deep requires 16 cubic feet of soil (8ft x 4ft x .5ft = 16 cubic ft). This would be about 8 – 12 bags of soil depending on their volume (which is labeled on the bag). For larger projects, buying soil by the cubic yard (27 cubic feet) from a landscaping supplier can save money.

How do we apply compost?

Compost is rich in carbon and helps improve soil health. Compost should be added between plantings, aiming for 1 to 4 inches of compost over the garden bed. For best results, mix it into the existing soil with a shovel to help it reach the root zone. Mulch is another great option, as it covers and protects the soil. It will slowly break down into nutrient-rich material over time, helping your soil stay healthy.

In Florida, successful gardening starts with good timing and location, but maintaining healthy soil is what keeps your plants healthy all season long. If you have any further questions, feel free to reach out to your local Extension office!

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Posted: August 12, 2025


Category: Fruits & Vegetables, HOME LANDSCAPES, Horticulture
Tags: Florida Gardening, Fruits And Vegetables, Gardening In Florida, New Vegetable Gardener, Ocextension, Orange County, Raised Bed Gardening, Soil Amendments, Soil Preparation, UF/IFAS Extension Orange County


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