Spent mushroom compost is the soil-like material left after growing a crop of mushrooms. It is high in organic matter, making it desirable for soil amendment or conditioner use.
Compost, prepared specifically for growing mushrooms, is a blend of natural products. Common ingredients are wheat straw, alfalfa straw, poultry manure, cottonseed meal, alfalfa seed screenings, cottonseed hulls, and gypsum. Later in the process, grain and protein are added, and before harvesting, the 8-inch layer of compost is covered with a 2-inch layer of peat moss and lime.
During the composting process, water is added, and temperatures often rise to about 170 degrees. After the compost is made, it is pasteurized at 140 degrees, and later, after all mushrooms have been harvested, it is sterilized at 160 degrees for several hours. Spent mushroom compost will be free of weed seeds and insects.
Spent mushroom compost will vary depending on how long it has been stored in our field. It is also important to know what type of soil you are applying it to.
There are many uses for mushroom compost. Spent mushroom compost is excellent to spread on top of newly seeded lawns. Since some plants and garden vegetables are sensitive to high salt content in soils, avoid using fresh compost around those plants. You may use spent compost weathered for six months or longer in all gardens and with most plants. Obtaining mushroom compost in the fall and winter, allowing it to weather, will make it ready to use in a garden the following spring. Spring and summer are the best time to use weathered material as a mulch.
The benefits of using our compost include:
🌿 Superior Water Retention: Our compost pellets are designed to hold moisture, keeping your plants hydrated longer, even during dry spells. This means less watering for you and more consistent growth for your plants.
🌱 Rich in Humates: Packed with humic acids, our compost pellets enhance soil fertility and stimulate plant growth. Humates improve nutrient uptake and soil structure, leading to healthier, more resilient plants.
🧤 Easy Application: Whether you’re tending to gardens, lawns, flowers, or trees, our pellets are perfectly sized for use with a rotary spreader. This ensures even coverage and a hassle-free application process.
🌱 Greener Grass and Higher Yields: Enjoy lush, green lawns and more productive gardens with our mushroom compost pellets. Enriching the soil with essential micronutrients and humates will make your grass greener, and your plants will yield more bountiful harvests.
💪 Reduces Fertilizer Needs: Reduce the chemical fertilizers required for your garden. Humates release nutrients tied up in the soil after years of applying synthetic fertilizers.
🔩 Essential Micronutrients: Our pellets are an excellent source of copper and iron, vital for plant health. These micronutrients are crucial in various plant functions, including chlorophyll production and disease resistance.
For more information, call us at (435) 767-0050, option 3.
Bulk Compost
| SPENT COMPOST | TURNED COMPOST* | |
| Pick-up Truck | N/A | $80 |
| Dump Trailer | N/A | $120 |
| 10 Wheel Dump Truck | $250 | $350 |
| 10 Wheel with Pup | $350 | $450 |
| 18 Wheel | $550 | $750 |
| 18 Wheel with Pup | $625 | $850 |
Sold As Is – No guarantees or warranty implied.
Since we don’t have truck scales, We cannot guarantee tonnage. We will do our best to load as full as we can.
Turned compost is generally lower in moisture, so you get a more concentrated compost.
This is loaded at our facility. You must present yourself to our front office for payment and a receipt Monday through Friday, 8:00 a.m. to 2:00 p.m., except on holidays.
Spreadable Pellets
Beginning January 2024, we are rolling out Spreadable Compost Pellets. We will sell the pellets in 25-pound (1/2 cubic foot) and 50-pound (1 cubic foot) bags. The pellets are made so that you can enjoy the benefits of mushroom compost on your lawn, garden, flowers, and trees using a common fertilizer spreader.
Click here for a lab analysis of the pellets. The NPK for this sample was 2-1.7-2.1.
Bagged Compost
We now offer bagged compost in 40-pound bags (one cubic foot). It has the same great benefits as our bulk compost but has been turned and screened and has a lower moisture content.
Click here for a lab analysis of bagged compost.
If you want to purchase pallets of spreadable pellets or bagged compost for resale, please call 435-261-3642. Otherwise, you can find our production at IFA stores throughout Utah.
