The Proof is in the Compost
Backed by Nature.
Verified by Science.
At South Florida Compost, being organic isn’t just a label—it’s a promise we uphold with transparency and care. Every batch of compost we produce is carefully crafted, lab-tested, and officially certified, ensuring it meets the highest standards for purity, performance, and environmental responsibility. From sourcing to screening, we monitor every step of the process to deliver a product that’s as trustworthy as it is powerful—because when it comes to your soil, you deserve to know exactly what’s going into it.
Our compost is made exclusively from horse manure sourced directly from our own stables. That means no outside sourcing, no hidden additives, and absolutely no synthetic contaminants—just clean, consistent, high-integrity compost made the right way, every time.
Certified Organic
We’re proud to be OMRI Listed, a gold standard in organic certification that verifies our compost is approved for use in certified organic operations. This trusted designation reflects our commitment to clean inputs, transparent processes, and uncompromising quality—earning the confidence of organic farmers, landscapers, and home gardeners who demand the very best for their soil.
OMRI Listed
Nutrient-Rich & Lab Tested
Our compost is regularly tested to ensure optimal nutrient density and balanced pH levels. Common benefits include:
High in organic matter to improve soil structure
Natural source of nitrogen, phosphorus, and potassium
Screened and cured to be weed-free and low odor
Our compost is locally sourced right here in Delray Beach, Florida, using manure exclusively from our own on-site horses. By keeping everything in-house, we eliminate the need for transportation or external inputs—diverting waste from landfills and reducing our overall environmental footprint. Our process is also designed with efficiency in mind, utilizing water-conscious aeration and curing techniques to produce nutrient-rich compost without unnecessary resource waste.
Sustainable By Design
Key Compost Stats
Our compost is packed with naturally occurring nutrients that support healthy soil biology and plant growth. Rich in organic matter, with a balanced pH range of 6.8–7.2, it provides essential macronutrients like nitrogen, phosphate, and potassium to promote strong roots and vibrant foliage. With a moisture content between 40–50%, it enhances water retention and soil structure, making it ideal for everything from home gardens to large-scale landscaping projects. These values are routinely tested to ensure consistency, performance, and peace of mind for every grower we serve.
| Nutrient | Percent (%) | Pounds per Ton |
|---|---|---|
| Total Nitrogen (N) | 0.64 | 12.8 |
| Total Phosphate (P2O5) | 0.54 | 10.8 |
| Potassium (K2O) | 0.53 | 10.6 |
| Sulfer | 0.12 | 2.4 |
| Boron | 0.0001 | 0.02 |
| Zinc | 0.004 | 0.08 |
| Manganese | 0.01 | 0.2 |
| Iron | 0.05 | 1 |
| Copper | 0.002 | 0.04 |
| Calcium | 2.64 | 52.8 |
| Magnesium | 0.19 | 3.8 |
| Sodium | 0.06 | 1.2 |
| Aluminum | 0.04 | 0.8 |
Trust What You’re Growing In
We believe transparency builds trust. That’s why every South Florida Compost product is backed by real data, real certifications, and a real commitment to doing things the right way—for the soil, for the plants, and for you.